Organelles are the components of the cells with various functions and roles. The correct blanks are chloroplast, cell wall and vacuole, vacuoles, and mitochondria.
What are the organelles?The organelles are the cell components that have well-defined structures and functions to perform the designated task in the cell activity. Chloroplast is the organelle that converts solar energy into chemical energy through photosynthesis.
The cell wall and the vacuoles provide the structural framework and shape of the cell. The vacuoles also store food pigments in the cell. The mitochondria of the cell convert the food source into energy like ATP.
Therefore, the correct blanks are chloroplast, cell wall and vacuole, vacuoles, and mitochondria.
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Devices that use a liquid spray to remove pollutants from the air are called __________. A) alloys B) particulates C) scrubbers D) minerals E) chlorofluorocarbons (CFCs)
Devices that use a liquid spray to remove pollutants from the air are called scrubbers. The correct option is C.
What is a wet scrubber?Wet scrubber is a pollution removing technique from the air. It is a sprayer which trap the harmful gas molecules from the air.
It is used in factories and industrial exhaust steams.
Thus, the correct option is C. scrubbers.
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how do energy sources poly a role in the rock formation?
Sun (radiation), winds (eolic) and water (hydraulic) are all sources of energy that work together during rock formation.
What is rock formation?The rock formation is a very slow process that occurs at a geological time, which may take millions of years.
During this period, rocks are shaped by different types of energy, especially radiation and erosion (wind and water bodies)
In conclusion, the sun (radiation), winds (eolic) and water (hydraulic) work together during rock formation.
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Find the molarity of 194.55 g of sugar (c12h22o11) in 250. ml of water.
true or false. you would see a partial solar eclipse if you were within the moons penumbra.
How many grams of carbon dioxide would be produced from the following reaction, if 175 kJ of energy is given off? 2 CO + O2 2 CO2 ΔH = -566 kJ
42.6897 grams of carbon dioxide would be produced from the following reaction, if 175 kJ of energy is given off.
How do we calculate moles?The mole (symbol mol) is the SI base unit of material quantity. The amount of substance in an object or sample is a measure of how many elementary entities of a certain substance are present.
Given chemical reaction is:
[tex]2CO + O_2[/tex] → [tex]2 CO_2[/tex]
From the stoichiometry of the reaction, it is clear that 2 moles of carbon dioxide are produced.
Actual moles will be calculated by using the enthalpy and energy value as:
Actual moles of [tex]CO_2[/tex] = 275kJ × ([tex]\frac{2 mol}{566 kJ}[/tex]) = 0.97 moles.
Grams of carbon dioxide = moles X molar mass of carbon dioxide.
Grams of carbon dioxide = 0.97 X 44.01 g/mol
Grams of carbon dioxide = 42.6897 g
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What happens to water when it is heated from 0 °C to 4 °C? (5 points)
It freezes.
It expands.
Its density increases.
Its composition changes.
Answer: The volume decreases
Explanation:
Because 4C is a cold temperature and atoms inside the water start to move slowly and begins to cange into a solid formation.
The density of the water increases and it is maximum at 4 degrees Celsius.
What is Freezing Point ?The temperature at which the liquid and solid states of the substance are in equilibrium at atmospheric pressure .
freezing point of water is 0° Celsius or 32° Fahrenheit.
Though liquids expand on heating water does not expand between 0°C to 4°C instead it contracts as water has maximum density at 4°C.
Thus the option C is the right answer , The density of the water increases as water is heated from 0 degree Celsius to 4 degree Celsius
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Can diamond sublime at any pressure up to 1011 kPa? Explain your answer.
Yes, at high temperature and pressure (1011 kpa), diamond can change directly (sublime) into gaseous form.
What is a diamond?Diamond is a solid form of the carbon element with its atoms arranged in a crystal structure called diamond cubic.
Diamond has some interesting properties, which is written below;
Diamond is extremely hard and non volatile substanceDiamond can sublime (change directly to gaseous sate)A diamond interacts with oxygen in the air and disappears to form carbon dioxide.
Thus, at high temperature and pressure (1011 kpa), diamond can change directly (sublime) into gaseous form.
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seriously what do i put in the x and y table im stuck and need to move to the next assignment
Remember the relationship
P is indirectly proportional to VSo
The pairs are
(2,4)(1,8)(4,2)(12,2/3)(2/3,12)And so on
how many moles of O2 will react with 0.6482 moles of H2O?
2C3H6O + 5O2 → 6CO + 6H2O
Answer:
n=0.648 moles
the ratio 5:6
x:0.648
x=0.54 moles
why is it necessary to use clean sponge and cleaning rags in dishwashing?
Answer:
cloths/sponges can harbor harmful pathogens and spread germs if not cleaned frequently. A damp, smelly dish cloth/sponge is telling you germs are multiplying!
Explanation:
hope this is able to help you :)
What’s the importance of having a vascular system
Answer:
The vascular system, also called the circulatory system, is made up of the vessels that carry blood and lymph through the body. The arteries and veins carry blood throughout the body, delivering oxygen and nutrients to the body tissues and taking away tissue waste matter.
Explanation:
Sodium-24 has a half-life of 15 hours. How much sodium-24 will remain in a 36.0-g sample after 45 hours
Answer:
4.5 gm left
Explanation:
45 /15 = 3 half lives (1/2 )^3 =1/8 th
1/8 * 36 = 4.5 gm
What most likely happens when a liquid gains heat?
O it changes into gas
it changes into a solid
Onts temperature decreases
O its temperature remains constant
-Jewel Warren
it turns into a gas due to vaporization
A 500-gram C6H12O6 solution has a concentration of 300 ppm. How many grams of C6H12O6(s) are in this solution?
Considering the definition of ppm, there are 0.15 grams of C₆H₁₂O₆ in the solution.
What is ppmParts per million (ppm) is a unit of measurement for concentration that refers to the number of units of the substance in each million units of the whole.
In other words, ppm indicates the ratio of the concentration of one substance to the concentration of another, as one unit of solute dissolved in one million units of solvent.
ppm of solid and liquid elements is calculated by weight:
[tex]ppm=\frac{weight of the substance analyzed}{ overall weight} x10^{6}[/tex]
Mass of C₆H₁₂O₆In this case, you know:
ppm= 300weight of the substance analyzed= ?overall weight= 500 gramsReplacing in the definition of ppm:
[tex]300ppm=\frac{weight of the substance analyzed}{500 grams} x10^{6}[/tex]
Solving:
[tex]weight of the substance analyzed=\frac{300 x 500 grams}{10^{6}}[/tex]
weight of the substance analyzed= 0.15 grams
Finally, there are 0.15 grams of C₆H₁₂O₆ in the solution.
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what mass of Al w(molar mass 78g/mol) would have to be descomposed to produce 100 grams of Al203
Answer:
57.4 g
Explanation:
30.4 g Al will produce 57.4 g Al 2 O 3 30.4 g O 2 will produce 64.6 g Al
2 O 3 .The limiting reagent is aluminum, and the maximum amount of aluminum oxide that can be produced in this reaction is 57.4 g
What is the IUPAC name for this product?
The IUPAC name for the given product is 2 chloro Butane.
What is IUPAC nomenclature?IUPAC stands for 'International Union of Pure and Applied Chemistry', which givers some rule for designing the name of compounds of chemistry.
In the given product total four carbon atoms are present and between all of them single bonds are present. In the second carbon atom, chlorine group is present. During the nomenclature process, first we write down the name of the attached group which is followed by the alkane chain.Hence name of the product is 2 chloro Butane.
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I NEED HELP ASAP !!!!!!!!!!!!!!!!!!!!!1
Answer:
true im pretttyyy sure
Explanation:
bcuz the stronger the intermolecular forces the higher the boiling point :3
What is the unbalanced and balanced equation of elephant's toothpaste!? PLEASE HELP!!
Answer:
2 H2O(g) + O2(g)
2 O-1 → O20 + 2 e- 4.
Explanation:
Essentially elephant's toothpaste is just the decomposition of H2O2, hydrogen peroxide. It's catalyzed by KMnO4
Balanced Equation: [tex]2H_2O_2 \ -- > \ 2H_2O \ + \ O_2_[/tex]
Unbalanced Equation: [tex]H_2O_2 \ -- > \ H_2O \ + \ O_2[/tex]
A sample of lead with a mass of 54.3 g is heated to a temperature of 384.4 K and placed in a container of water at 291.2 K. The final temperature of the lead and water is 297.6 K. Assuming no heat loss, what mass of water was in the container?
The mass of the water in the container given the data from the question is 22.5 g
Data obtained from the questionMass of cold lead (M) = 54.3 gTemperature of lead (T) = 384.4 KTemperature of water (Tᵥᵥ) = 291.2 KEquilibrium temperature (Tₑ) = 297.6 KSpecific heat capacity of the water (Cᵥᵥ) = 4.184 J/gKSpecific heat capacity of lead (C) = 0.128 J/gKMass of water (Mᵥᵥ) = ?How to determine the mass of waterHeat loss = Heat gain
MC(T – Tₑ) = MᵥᵥCᵥᵥ(Tₑ – Tᵥᵥ)
54.3 × 0.128 (384.4 – 297.6) = Mᵥᵥ × 4.184(297.6 – 291.2)
6.9504 × 86.8 = Mᵥᵥ × 4.184 × 6.4
Divide both side by 4.184 × 6.4
Mᵥᵥ = (6.9504 × 86.8) / (4.184 × 6.4)
Mᵥᵥ = 22.5 g
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4. At least one carbon-carbon bond in an alkyne is a triple covalent bond. Other bonds may be single or double carbon-carbon bonds and carbon-hydrogen bonds.
Answer:
hope it helps cuz i did not really understand
short paragraph about volcano and its features.
How do you think the light would travel if the laser pointer was 1000 meters away?
It is entirely dependent on the laser power (mW). The light's divergence is affected by it.
What exactly is a laser?A laser is a device that produces a powerful beam of coherent monochromatic light by stimulating the emission of photons from excited atoms or molecules.
A laser is generated when electrons in optical materials such as glass, crystal, or gas absorb energy from an electrical current or light.
We can see a 5mW 650 nm laser glowing on a white surface in full darkness from 500 to 1 kilometer away.
As a result of the divergence, the predicted dot 1 km away will be a massive dot with a diameter of 20–30 m30 m and will be exceedingly dark.
As a result, it is entirely dependent on the laser.
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Given a balance chemical equation, 2 H2(g) O2(g) 2 H2O(g) If a reaction mixture contains 3 moles of O2(g) with 4 moles of H2(g), which reactant is the limiting reactant and what is the mass remaining of the reactant in excess
We have the equation [tex]2\text{H}_{2}+\text{O}_{2} \longrightarrow 2\text{H}_{2}\text{O}[/tex].
This means that for every mole of oxygen consumed, 2 moles of hydrogen are consumed.
Considering the oxygen, the reaction can occur 3 times.Considering the hydrogen, the reaction can occur 4/2=2 times.Therefore, hydrogen is the limiting reactant.
If all 4 moles of the hydrogen are consumed, then 2 moles of the oxygen will be consumed. This means 1 mole of oxygen, which has a mass of 15.9994 grams, will remain.
For the reaction: P4 + 6C12 – 4 PC13
What mass of PCl3 forms in the reaction of 75.0 g P4 with 275 g Cl2?
Answer:
332.3g
Explanation:
hope this helps loves x
Identify the combustion reaction
Answer:
C₄H₁₂ + 7O₂ --> 4CO₂ + 6H₂O
Explanation:
Organic molecules react with O2 to create water and CO2 in combustion processes. C4H12 is an organic molecule that combines with O2 to create water and CO2 as shown in the reactions.
As a result, this is the sole reaction that obeys the general combustion equation.
Answer asapppp plssss!!!
consider the sample sds for hydrochloric acid and answer the questions,
what type of environment should the hydrochloric acid be stored in? check all that apply
1.)in a beaker
2.)in a cool, well-ventilated area
3.)in a flask
4.)in a tightly closed container
The safety data sheet is used while working in a laboratory and handling chemicals. According to SDS, hydrochloric acid should be stored in a cool, well-ventilated area. Thus, option 2 is correct.
What is hydrochloric acid?Hydrochloric acid has been defined as a strong acid that is liquid formed by the two elements, hydrogen gas, and chloride. Because of their corrosive nature and high reactivity they are recommended to be stored in dark-colored glass bottles.
They should be stored in a cool and well-ventilated area as they can easily react with other metals, alkalis, oxidizing agents, etc. The reaction results in heat formation and gaseous vapors that are harmful when coming in contact.
Therefore, option 2. hydrochloric acid should be stored in dark and cool places.
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[Then mother noticed that two children who are watching the game are sick and coughing.She told her son to keep distance from those children to avoid getting sick]
1.Observe illustration no.1 and read the caption.Why did the mother ask her son to avoid the kid with cough?
2.Observe illustration no.2 and read the caption.Why did the mother let her son play with the kid with asthma?
please don't report this
Answer:
in illustration 1
the mother told her son not to play with the boy having cough because it is a transferable disease which could cause him also to get sick and would get cough.
while in
illustration 2
the mother let the boy play with the boy having asthma because it is not a transferable disease which wold not affect him or any one else.
Explanation:
this is the reason
#1
Cough is a infectious disease .It spreads through the droplets falling outwards during coughing.If her son stays there for long time he would be affected by cough also or he would get sick .So the mother denied .#2
Asthama is although a disease of lungs but it doesn't spread through air or droplets.It's not infectious .So nothing would happen if her child playswhy is vanilla extract brown when vanilla ice cream is white?
please be as detailed as possible in your answer
Answer:
Because vanilla Ice cream contains vastly more milk, sugar, etc. Then vanilla extract. It only takes a very small amount in comparison to adding that flavor.
Explanation:
I hope this helps girl
Why is vanilla ice cream white instead of brown?
It is true that Vanilla beans are brown in color and it is interesting that with this brown color ingredient, Vanilla Ice Cream is still white. Well, the vast majority of vanilla flavoring comes in the form of extract. Vanilla beans are very expensive and pure Vanilla has great flavor. When Ice Cream is made, the Vanilla we put in the Ice Cream is very insignificant quantity when compared to the milk powder, sugar, and cream that goes into the Ice Cream. Due to the whipping and procedure of the making, the brown color of Vanilla is lost amongst the huge quantities of other ingredients and we get milky white yummy Vanilla Ice cream
the volume of gas collected when the temperature is 11.0c and the pressure is710.mmHg measures 0.148L. what is the calculated volume of the gas (in mL) at 20.0c and 740.mmHg?
Answer:
The calculated volume of the gas (in mL) at 20.0c and 740.mmHg when volume of gas collected at temperature of 11.0° C and pressure of 710 mmHg measures 0.148L is 78. 1 mL
Explanation:
The combined gas law combines the three gas laws, Boyle's law, Charles's law and Gay- Lussac's law. It states that the ratio of the product of pressure and volume and the absolute temperature of a gas is equal to a constant.
P V ÷ T = K
P1 × V1 ÷ T1 = P2× V2 ÷ T2
Parameters :
P1 = Initial pressure = 710.0 mmHg
V1 = 0. 148 L , converting it to mL = 0.148L × 1000 = 148 mL
T1 = Initial temperature = 11° C
P2 = Final pressure = 740 mmHg
V2 = Final volume in mL
T2 = Final temperature = 20° C
Calculations:
V2 = P1 × V1 × T2 ÷ P2 × T1
V2 = 710 × 148 × 11 ÷ 740 × 20
V2 = 1155880 ÷ 14800
V2 = 78.1 mL
Therefore, the calculated volume is 78.1 mL
For your experiment in part B, which factors would you keep constant?
Heating Different Amounts of a Substance
