Two objects are placed in thermal contact and are allowed to come to equilibrium in isolation. the heat capacity of object a is three times the heat capacity of object b and the initial temperature of object a (ta) is twice the initial temperature of object b (tb).
here is the answer below
movement of oxygen and carbon dioxide between alveoli and blood occurs by what process?
Answer:
In a process called diffusion, oxygen moves from the alveoli to the blood through the capillaries (tiny blood vessels) lining the alveolar walls.
Explanation:
gettysburg national military park museum and visitor center
What is the molar solubility of agcl (ksp = 1. 80 × 10⁻¹⁰) in 0. 500 m nh₃? (kf of ag(nh₃)₂⁺ is 1. 7 × 10⁷)
Based on the calculations, the molar solubility of AgCl in 0. 500 M of NH₃ is equal to 2.77 × 10⁻² M.
Given the following data:
Ksp of mg(oh)₂ = 1.8 × 10⁻¹⁰Concentration of NH₃ = 0.500Kf of ag(nh₃)₂⁺ = 1.7 × 10⁷How to determine the molar solubility.First of al, we would write the properly balanced chemical equation for this chemical reaction:
[tex]AgCl(s)\rightleftharpoons Ag^{+} (aq)+ Cl^{-}(aq)[/tex] Ksp = 1.8 × 10⁻¹⁰
[tex]AgCl(s) + 2NH_3(aq)\rightleftharpoons Ag(NH_3)_2^{+}(aq)[/tex] Kf = 1. 7 × 10⁷
K = Ksp × Kf
K = 1. 80 × 10⁻¹⁰ × 1.7 × 10⁷
K = 3.06 × 10⁻³
Mathematically, the Ksp for the above chemical reaction is given by:
[tex]K=\frac{ [Ag(NH_3)_2^{+}][Cl]}{[NH_3]^2}\\\\3.06 \times 10^{-3}=\frac{[x][x]}{0.50^{2 }}\\\\3.06 \times 10^{-3}=\frac{x^2}{0.25}\\\\x^2 = 7.65\times 10^{-4}\\\\x=\sqrt{7.65\times 10^{-4}}[/tex]
x = 2.77 × 10⁻² M.
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In which aquatic ecosystem does fresh water meet salt water? wetlands intertidal zones estuaries neritic zones
Answer:
estuaries
Explanation:
it's a place similar to a river where salt water meets fresh water
Answer:
estuaries neritic zones
The excerpt is from hisaye yamamoto’s story "morning rain," published in 1952. this passage depicts a family conversation. read the passage carefully. then, in a well-written essay, analyze how yamamoto uses literary elements and techniques to convey the ways in which the communication among sadako, mr. endo, and harry reveals their complex relationships.
Yamamoto uses literary elements such as flashback and paradox to list or show the language barrier that was said to exist between Mr. Endo, his son-in-law and the other parties involved.
What was the literary elements used in the passage about?In the excerpt, Yamamoto was said to have make use of flashback and paradox so as to show the language issue that did exist between Mr. Endo and that of his son-in-law.
He also uses the element to show the generational divide that is said to have existed between Sadako and her father, thereby showing the strained in terms of their relationships in the family as a result of lack of communication.
Conclusively, The paradox also tell about the physical hindrances that lead to the issue or wide gap in their relationship.
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how long can breast milk sit out after being refrigerated
Answer:
And remember, freshly pumped milk that has been left unrefrigerated for longer than four hours should be thrown away, regardless of whether it's been used in a feeding or not. Previously frozen milk should be used within 24 hours once thawed and refrigerated. If left on the counter, throw out after 2 hour
Explanation:
A cylindrical shaped silo has a diameter of 18 feet and a height of 4 feet. how much water can the silo hold, in terms of π? refer to your staar 8th grade math reference sheet for the appropriate formula. question 3 options: 162π ft3 324π ft3 648π ft3 12962π ft3
The amount of water that the cylindrical shaped silo can hold is 324π ft³.
Given the data in the question;
Diameter of the cylindrical silo; [tex]D = 18ft[/tex]Radius; [tex]r = \frac{D}{2} = \frac{18ft}{2} = 9ft[/tex]Height of the silo; [tex]h = 4ft[/tex]Volume of the silo in terns of [tex]\pi[/tex]; [tex]V = \ ?[/tex] VolumeThe volume of a cylinder simply signfies the amount of space in, i.e the quanity of materials it can carry or hold.
The volume of a cylinder is expressed as;
[tex]V = \pi r^2h[/tex]
To determine the amount of water the silo can hold, we substitute our given values into the expression above.
[tex]V = \pi r^2h\\\\V = \pi * (9ft)^2 * 4ft\\\\V = \pi * 324ft^2\\\\V = 324\pi ft^2[/tex]
Option B) 324π ft³ is the correct answer.
Hence, the amount of water that the cylindrical shaped silo can hold is 324π ft³.
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Answer:
324
Explanation:
What is the mean cost of replacing brake pads for four different vehicles at these four prices: $120, $235, $98, and $142?
The mean cost for the replacement of these brake pads for four different vehicles is equal to $148.75.
What is a mean?A mean can be defined as a terminology that is used to connote a ratio of the sum of the total number of a data set to the frequency of the data set.
How to calculate the mean cost?Mathematically, the mean cost for the replacement of these brake pads for four different vehicles would be calculated as follows:
Mean cost = [120 + 235 + 98 + 142]/4
Mean cost = 595/4
Mean cost = $148.75.
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Target profit is $100,000; total fixed costs are $120,000, and total variable costs are $500,000, the markup percentage is
The markup percentage to the variable cost using the variable cost method is 40%.
What is markup percentage?
The markup percentage to the variable cost using the variable cost method can be obtained by dividing the addition of the target profit and total fixed cost by the total variable cost as follows.
We know that:
Total fixed cost
= Fixed overhead costs + Fixed selling and administrative costs
= $120,000 + $50,00
= $170,000
The markup percentage to the variable cost
= (Target profit + Total fixed cost) / Total variable cost
= ($100,000 + $170,000) / $675,000
= $270,000 / $675,000
= 0.40, or 40%.
Hence, the markup percentage to the variable cost using the variable cost method is 40%.
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Answer:
44%
Explanation:
The variable cost method determines price by adding a mark up to variable cost. The mark up is set to cover a fixed cost plus target profit on top of variable cost.
markup=(target profit+total fixed cost)/total variable cost
Your team has been working on a software project for over a year
In what industry do fertilizers and pesticides wash off and contaminate water supplies?
agriculture is answer
George started a coin collection. his dad gave him 75 coins. each month he will add 20 coins to the collection. which equation can be used to find y, the total number of coins in george’s collection after x months?
Answer:
The equation that could be used for determining the y should be option B y = 20x + 75
Calculation of an equation:
Since dad gave him 75 coins. each month he will add 20 coins.
Here we assume a number of months be x
So, the equation is
y = 20x + 75
Therefore, we can conclude that The equation that could be used for determining the y should be option B y = 20x + 75
Explanation:
hope this helps!:) if does mark brainllest pls and thank u!
What do you think the word ""usurpations"" means? what impact did this view of king george iii’s rule have on the form of government that emerged from the declaration of independence? use evidence from the text to support your answer.
Answer:
The definition of usurpations is; an act of usurping; wrongful or illegal encroachment.
Explanation: i hope this helped
based on the data above, which of the following hypotheses about the future conditions in the arctic is most plausible if the trend seen from 2011 to 2017 continues?
The data here are NOT found, but it has been hypothesized that the arctic will continue defrosting and the albedo population will decrease.
What is climate change?Climate change refers to the progressive warming of the Earth planet, which is believed to be a consequence of human activities.
It is believed that the burning of fossil fuels is increasing global climate change by warming the Earth.
The burning of fossil fuels might cause the defrosting of the Arctic ice and decrease natural populations by increasing the greenhouse effects.
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Approximately how much of the energy in the producers of an ecosystem will be available to secondary consumers?
Answer:
Secondary consumers receive 10% of the energy available at the primary consumer level (1% of the original energy). Tertiary consumers receive 10% of the energy available at the secondary level (0.1% of the original energy).
Explanation:
What is the gcf of the terms of the polynomial −12y4 + 8y3 – 4y2?
Answer:
4y2
Explanation:
How will you convert 80 inches into centimeters brainly
Answer:
203.2
Explanation:
A student combs his hair with a plastic comb, and the hair becomes positively charged. what is the net charge of the comb and the hair and the direction of the charge transfer?
By nature hair is negetively charged, the net charge on the air is the subtraction of the positive charge from the hairs negetive charge,
What is Static Electricity?Static electricity is a phenomenum whereby charges which are imobile by nature and mearnt to be tranfered from one surface to another. The direction of the charge transfer is away from the positive charge.
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If the current through the 5.0-ohm resistor is 1.0 ampere, the current through the 15.0-ohm resistor is
The current through the 15 ohms resistor of the given circuit with a calculated voltage of 5 V is; 0.33 A
What is the current through the resistor?
We are given;
Current through the 5 ohm resistor; i = 1 A
Formula for Voltage is;
V = iR
V = 1 * 5
V = 5V
Now, since the 5 ohms resistor and the 15 ohms resistor are in the same circuit, it means that they will have the same voltage. Thus;
Current through the 15 ohms resistor is;
I = V/R
I = 5/15
I = 0.33 A
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Fill in the blank with a form of jouer a or jouer de as appropriate
The fill up of the blanks are: Je joue la guitare.
Vous jouez football amèricain.Tu -joues piano. Elles jouent foot.What is the term Jouer?The term jouer a or jouer de is a word that means to play or to play in English.
It can be used also as:
Jouer à la baisse means to play for a fall in English.Jouer à la hausse means to play for a rise in English., etc.The full question is below:
Fill in the blank with a form of jouer a or jouer de as appropriate:
1. Je ____ la guitare
2. Vous ____ football amèricain
3. Tu ____ piano
4. Elles ____ foot
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Lesson 22 understand angle relationships in triangles answer key
The example of Lesson 22 understand angle relationships in triangles i that the measure of the angle given in the image attached is 65°; supplementary angles add up to 180°.
What are the angle relationships in triangles?There is the Interior angles which is known to have its both on the inside to be of parallel lines and as such, they are supplementary.
An example of Angle Pair Relationship are:
Complementary AnglesSupplementary AnglesAdjacent AnglesThe answer is 65° and it is a supplementary angles that can add up to 180°. Note that Two angles are called supplementary when their given measures when added together is up to 180 degrees.
See full question below
What is the measure of ∠DEF? How do you know?
answer choices
65°; supplementary angles add up to 180°
65°; complementary angles add up to 180°
45°; alternate interior angles add up to 90°
135°; supplementary angles add up to 180°
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An experiment was carried out to compare electrical resistivity for six different low-permeability concrete bridge deck mixtures. there were 26 measurements on concrete cylinders for each mixture; these were obtained 28 days after casting. the entries in the accompanying anova table are based on information in an article. fill in the remaining entries. (round your answer for f to two decimal places.)
Assuming there were 26 measurements on concrete cylinders for each mixture. Alternative Hypothesis at α=0.01 will be rejected.
HypothesisElectrical resistivity(I)=6
Concrete cylinder measurement(J)=26
First step
Degree of freedom for SSb=I-1=(6-1)=5
Degree of freedom for SSw=I(1-J)=6(1-26)=150
Degree of freedom for SSr=IJ-1=(6×26)-1=155
Second step
Mean square(MSw)=13.929
SSw=MSw×I(J-1)
SSw=13.929×150
SSw=2,089.35
Third step
SSb=SSt-SSw
SSb=5,664.415-2,089.35
SSb=3,575.065
Fourth step
MSb=SSb(I-1)
MSb=3,575.065/(1-6)
MSb=3,575.065/5
MSb=715.013
Fifth step
F=MSb/Msw
F=715.013/13.929
F=51.33
The complete table is:
Source df Sum of squares Mean square F
Mixture 5 3,575.065 715.013 51.33
Error 150 2,089.35 13.929
Total 155 5664.415
Therefore, since 51.33 is greater than 11.97 we are going to reject the hypothesis at α=0.01.
Inconclusion Hypothesis at α=0.01 will be rejected.
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How far from the end of the banjo string must a fret be so that the string's fundamental frequency is 330 hz when you hold it down at the fret?
The length of the end of the banjo string when the fundamental frequency is 330Hz will be 0.61m.
How to calculate the length?The fundamental frequency will be given as:
f = v/2L
Let the required length be represented as L2.
Therefore, f1/f2 = L1/L2
L2 = (294 × 0.69)/330
L2 = 0.61m
Therefore, the length will be 0.61m.
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Lesson 4.1 practice c geometry answers mcdougal littell
Lesson 4.1 practice c geometry question is below: What is the classification of the angle (Image attached.)
What is Lesson 4.1 practice geometry about?This is known to be a textbook that was written as McDougal Littell Geometry. It is regarded as a Practice Workbook and it was the 1st Edition.
The classification of the angle is known as an acute angle. Note that an Acute angles is one that is known to be less than 90 degrees.
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At the playground which one is an example of a wheel and axle
Answer:
Not enough information to answer
How many months did lillie make on-time payments for her line of credit at astoria federal savings?
The credit report of Lillie which complies the list of credit and repayment of her transaction shown that it took her 29 month to make on-time payments for her line of credit.
What is a credit report?It is a database of credit score that tells about a consumer creditworthiness and shows the list of borrowing and repayment of credits.
Here, the credit report shown that it took 29 month for her to make on-time payments for her line of credit.
Therefore, the Option A is correct.
Missing options "a.29 b. 39 c.40 d.You cannot tell from this credit "
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Determine whether each of the following is a characteristic of a protist, fungus, or both. unicellular stationary reproduces through spores eukaryotic cilia autotrophic
Answer: Both, Both, Fungi, Both, Protists, Protists
Explanation:
Did my own research smh
The correct match :
unicellular - Bothstationary - bothreproduces through spores - fungi eukaryotic - bothcilia - protistsautotrophic - protists.What is a protist?A protist is a eukaryotic organism and has a cell nucleus in the cells. It is not an animal, plant, or fungus. They don't form a natural group and may be closely related to animals and plants. Their kingdom includes the amoebas, diatoms, and slime molds.
Find out more information about the protist.
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Suppose that we have this spinner. what is the probability of landing on 4 after landing on 4?
The probability that the spinner lands on 4 is its likelihood
The probability of landing on 4 after landing on 4 is 1/n^m
How to determine the probability?Assume that the numbers on the spinner are not repeated, the probability that a spinner lands on 4 is:
P(4) = 1/n
Where n represents the number of sections on the spinner
The probability that the spinner lands on 4 again is the same for the number of times the spinner is spun
Hence, the probability of landing on 4 after landing on 4 is 1/n^m where m represents the number of spins
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Antigone tells her sister, "’tis thine to show / if thou art worthy of thy blood or base." the word or tells you that base is being contrasted with worthy of thy blood. given that, what do you suppose base means? write your ideas here.
The word "base" as used in the passage refers to; loyalty to the family, to the family bond that Ismenia has.
What is the meaning of the word in the passage?Antigone speaks the words in the given passage to her sister Ismenia. Now, in these words, Antigone questions Ismenia's loyalty and commitment to the family by the use of the word "base" to mean family loyalty.
The reason for use of that word is because their brother was banned from receiving a decent funeral, which prevented his soul from being able to rest in peace. The king then ordered that whoever made a feneral for the brother of Ismenia and Antigona would be condemned to death. However Antígona, in loyalty to her brother, was willing to take that risk and wanted to know if Ismenia had the same loyalty.
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