Answer:
Its False
Explanation:
Its False because the concentartion would have to be the solute the thing being added. BUT if you add the equal amount of solvent and add more solute than the one you added more solute is the more concentarted.
AN EXAMPLE:
An example we have Cup A and Cup B we add the same amount of water to both cups but i add more solute to cup A (Examples of solute Salt,powder) and i add less solute to b I balance them in a balance. and cup A is the most concentrated because It has more solute.
ANOTHER EXAMPLE:
Lets do the same thing i add the same amount of water to cup A and B I want to add the same solute but i cant since Cup A saturates At 8 Spoons And B at 6 So cup A is most concentared
Conclusion:
So it all depends on the solute how much you add or at how many spoons you saturate.
Thats all I hope it helped!!
The concentration of the solution depends upon the number of moles of solute with changing, the concentration will change. Therefore, the given statement is false.
What is the molar concentration?The concentration of the given solution can be determined in the terms of molarity, Normality, and molality. We can easily calculate the molar concentration of a substance in a solution.
In chemistry, concentration can be described as the abundance of a constituent divided by the total volume of a mixture. The concentration can be mass concentration, number concentration, molar concentration, and volume concentration.
The concentration of the solution determined as the number of moles of a solute per unit volume of a solution is known as molarity or molar concentration.
The Molar concentration of a solution is evaluated in the following way.
Molarity (M) of the solution = Moles of solute/Volume of the Solution
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what is the Acid name for HArO3
What are the three types of stresses that can be applied to
a system at equilibrium?
Answer:
The 3 stressers are 1. Adding or removing reactants or products. 2. Changing the total pressure or volume. 3. changing the tempature of the system.
Explanation:
All three of these are stressers that can be applied.
-Hope This Helps!
-Justin:)
Riley took a train ride to Florida for vacation. It
took 67 hours to travel a distance of 1,546
kilometers. What was the speed of the train?
Answer: 23
I hope this helps! Have a good day! :)
Grace runs 6 miles in 2 hours. What is her speed?
What is the temperature change if 400 J of energy is added to 10 grams of water
A) 40 degrees Celsius
B) 1 degrees Celsius
C) 100 degrees Celsius
D) 10 degrees Celsius
The temperature change if 400 J of energy is added to 10 grams of water is 9.57°C.
How to calculate temperature change?The temperature change of a calorimeter can be calculated using the following expression:
E = mc∆T
Where;
E = energy in joulesm = massc = specific heat capacity = 4.18J/g°C∆T = change in temperature400 = 10 × 4.18 × ∆T
400 = 41.8∆T
∆T = 400/41.8
∆T = 9.57°C
Therefore, the temperature change if 400 J of energy is added to 10 grams of water is 9.57°C.
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What is symbol? write the sugnifucance of Na2Co3
Answer:
A chemical symbol is a notation of one or two letters representing a chemical element.
Na2co3`s use :
It is used in photography
It is used as bleaching of wool
The change in enthalpy that occurs in the process of converting reactants to products in a chemical reaction is called the _____ of reaction.
Answer:
Heat or Enthalpy of reaction
This is denoted as ∆H∆H is the enthalpy the of the reaction If ∆H is positive reaction is exothermic otherwise endothermicWhat is the molarity of a 250. mL H, SO4 solution that was made from a 20.0 mL of a 10.0 M stock solution?
F) 0.800M
G)1.25M
H)125M
J)500. M
The molarity of a 250. mL H2SO4 solution that was made from a 20.0 mL of a 10.0 M stock solution is 0.8M.
How to calculate molarity?The molarity of a solution can be calculated using the following expression:
CaVa = CbVb
Where;
Ca = concentration of acidCb = concentration of baseVa = volume of acidVb = volume of baseIn this question;
Ca = ?Va = 250mLCb = 10MVb = 20mLCa × 250 = 10 × 20
250Ca = 200
Ca = 200/250
Ca = 0.8M
Therefore, the molarity of a 250. mL H2SO4 solution that was made from a 20.0 mL of a 10.0 M stock solution is 0.8M.
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How much N2 is required to fill a small room with a volume of 27,000 L to a pressure of 0.82 atm at 25 °C?
For a volume of 27,000 L to a pressure of 0.82 atm at 25 °C, the amount of N2 is required is mathematically given as
n=1.1*10^{-3}mole
What amount of N2 is required to fill a small room with a volume of 27,000 L to a pressure of 0.82 atm at 25 °C?Generally, the equation for the ideal gas is mathematically given as
PV=nRT
Therefore
[tex]n=\frac{PV}{RT}\\\\n=\frac{0.980*2700}{0.0821*298}[/tex]
n=1.1*10^{-3}mole
In conclusion, the amount of N2 is required is
n=1.1*10^{-3}mole
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Particles 91, 92, and q3 are in a straight line.
Particles q1 = -28.1 uc, q2 = +25.5 uc, and
q3 = -47.9 uc. Particles qi and q2 are separated
by 0.300 m. Particles q2 and q3 are separated by
0.300 m. What is the net force on q3?
Remember: Negative forces (-F) will point Left
Positive forces (+F) will point Right
The net force on particle 3 due to the presence of particle 1 and particle 2 on the same straight line is 50.5 N to the right.
Force between particle 1 and particle 2
The force between the two particles is determined from Coulomb's law as shown below;
F = kq₁q₂/r²
F(1,2) = -(9 x 10⁹ x 28.1 x 10⁻⁶ x 25.5 x 10⁻⁶) / (0.3)²
F(1,2) = - 71.66 N
Force between particle 2 and particle 3F(2,3) = + (9 x 10⁹ x 25.5 x 10⁻⁶ x 47.9 x 10⁻⁶) / (0.3)²
F(2,3) = + 122.15 N
Net force on particle 3The net force on particle 3 is determined as follows;
F(net) = 122.15 N - 71.66 N
F(net) = + 50.5 N
Thus, the net force on particle 3 due to the presence of particle 1 and particle 2 on the same straight line is 50.5 N to the right.
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_____is the force created when an object is physically pushed or pulled. *
1 point
A. applied force
B. friction
C. gravity
D. magnetism
Answer:
applied force .....I'm pretty sure
Answer:
A. Applied forces aka Contact forces
Explanation:
Thos force is created when you apply forces to an object as in a push/pull or other physical ways.
I hope it helps! Have a great day!
Anygays-
What element is used to reduce ni cations in nickel ore to form metallic nickel? enter its chemical symbol.
Carbon monoxide with pressure pCO = 0.01 at 800°C is use to reduce the nickel oxide to metallic nickel.
The chemical symbol is CO.
Nickel Extraction?Nickel can be extracted from it's ore through extractive metallurgy. This entails the process of conventional roasting and reduction processes of nickel ore which will produce nickel metal which is greater than 75% purity. In stainless steel applications, 75% pure nickel can be used without been purified furthe purification which depend the components impurities of impurities present in it. Carbon monoxide is use as the reducing agent as it reduce it from nickel oxide to nickel metal.
Therefore, Carbon monoxide with pressure pCO = 0.01 at 800°C is use to reduce the nickel oxide to metallic nickel.
The chemical symbol is CO.
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In this performance task, students will analyze nutrition labels of some of
the foods and drinks that they recently consumed. They will identify which type of
macromolecule (carbohydrates, lipids, proteins) is mainly supplied by the item and they will
compare their consumption with the daily recommended intake for that type of
macromolecule. Students will also investigate salt and added sugar as well as vitamins and
minerals in the item. Finally, students will attach the nutritional labels in a short bond paper.
Explanation:
Globalization is the word used to describe the growing interdependence of the world's economies, cultures, and populations, brought about by cross-border trade in goods and services, technology, and flows of investment, people, and information
A teacher drops a bottle containing sodium chloride. The bottle breaks when it
hits the floor. The teacher sweeps up the mixture of sodium chloride and glass.
Describe how the teacher can obtain a pure, dry sample of sodium chloride from
the mixture.
The mixture of sodium chloride and broken glasses can be separated by dissolution, filtration, and evaporation respectively.
Separation of mixtureThe mixture containing sodium chloride and broken glasses can be separated as follos:
First, by dissolving the mixture in water. The soluble sodium chloride will dissolve while the broken glasses will remain insoluble.Filteration is carried out to filter off the broken glassesThe filtrate which is now a mixture of water and sodium chloride can then be heated to evaporate off the water and to obtain dry sodium chloride.More on separating mixtures can be found here: https://brainly.com/question/863988
Why is the magnitude of the electron affinity for a given element smaller than the magnitude of the first ionization g
The chemical formula for water is what does the formula show about each element in the compound?.
This states that
1 molecule of water contains
2 hydrogens(H)1 Oxygen(O)And if we write the chemical reaction
2H_2+O_2—›2H_2OWhat is the most significant solute in determining the distribution of water among fluid compartments
Answer:
Sodium (Na+)
Explanation:
Volume status is regulated through the monitoring of systemic solute per unit volume, or osmolarity. Sodium, the most prominent electrolyte 'solute' in extracellular fluid, is used to monitor extracellular osmolarity. A disproportionate loss of water relative to sodium results in a concentrating osmolar effect.
Can someone pls tell me the answer to these 2 fill in the blanks I will surely mark him as the brain list answer
The interstitial fluid is generally poor, while the plasma is generally rich in ---------. A. Protein B. Sodium and chloride ions C. Hydrogen ions D. Carbohydrates
Answer:
B Hydrogen Ions is answer
What is the density of a substance with a volume of 5.0 mL and a mass of 15.0g?
A.) .33 g/mL
B.) 3.0 g/mL
C.) 10.0 g/mL
D.) 20.0 g/mL
Answer:
B) 3.0 g/mL
Explanation:
density formula: mass/volume
15/5=3
How many molecules are in 50.000 g of aspartame?
Aspartame stands for C_14H_18N_2O_5
Molar mass:-
14(12)+18(1)+2(14)+5(16)168+18+28+80294g/molNo of moles:-
Given mass/molar mass50000/294170mol(Approx)No of molecules:
No of moles×Avagadro no170×6.022×10²³1023.7×10²³1.02×10²⁶moleculesAnswer the question!
Answer:
i think 50C
Explanation:
It only makes since cause if its 4.43 and u want the volume to be 3.13 it has to me 50C
Use Charles law
[tex]\\ \rm\rightarrowtail V_1T_2=V_2T_1[/tex]
[tex]\\ \rm\rightarrowtail 4.43T_2=(70)(3.13)[/tex]
[tex]\\ \rm\rightarrowtail 4.43T_2=219.1[/tex]
[tex]\\ \rm\rightarrowtail T_2=49.4°C[/tex]
1a. Review What holds the hydrogen and oxygen
atoms together in a water molecule?
In the important industrial process for producing ammonia (the Haber Process), the overall reaction is:
N2(g) + 3H2(g) - 2NH3(g) + 100.4 kJ
A yield of NH3 of approximately 98% can be obtained at 200°C and 1,000 atmospheres of pressure.
This reaction is:
In the important industrial process for producing ammonia (the Haber Process), the overall reaction is:
N2(g) + 3H2(g) → 2NH3(g) + 100.4 kJ
A yield of NH3 of approximately 98% can be obtained at 200°C and 1,000 atmospheres of pressure.
This reaction is: Endothermic
Oxygen gas occupies a volume of 95 ml at 305 k. what volume will it occupy at 550 k?
The new volume of the oxgen gas as the temperature is increased is 171.3ml.
Given the data in the question;
Initial olume of oxygen gas; [tex]V_1 = 95ml = 0.095L[/tex]Intial temperature; [tex]T_1 = 305K[/tex]Final temperature; [tex]T_2 = 550K[/tex]Final volume of oxygen gas; [tex]V_2 = \ ?[/tex]Charles's lawCharles's law states that "the volume occupied by a definite quantity of gas is directly proportional to its absolute temperature.
It is expressed as;
[tex]\frac{V_1}{T_1} = \frac{V_2}{T_2}[/tex]
To determine the new volume of the oxgen gas as the temperature is increased, we substitute our given values into the expression above.
[tex]\frac{V_1}{T_1} = \frac{V_2}{T_2}\\ \\ \frac{0.095L}{305K} = \frac{V_2}{550K}\\\\V_2 * 305K = 0.095L * 550K\\\\V_2 * 305K = 52.25LK\\\\V_2 = \frac{52.25LK}{305K} \\\\V_2 = 0.1713L\\\\V_2 = 171.3ml[/tex]
Therefore, the new volume of the oxgen gas as the temperature is increased is 171.3ml.
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(40) If a hypothesis is proven correct, a theory is formulated.
True or false
Answer:
In scientific reasoning, a hypothesis is constructed before any applicable research has been done. A theory, on the other hand, is supported by evidence: it's a principle formed as an attempt to explain things that have already been substantiated by data.
Explanation:
Need help with predicting products
Na3PO4
+
ZnSO4
How many grams are there in 3.4 x 10^24 molecules of NH3?
Answer:
95.965 grams
Explanation:
Avogadro's Number or Avogadro's Constant is called the number of particles that make up a substance (usually atoms or molecules) and that can be found in the amount of one mole of said substance. Its value is 6.023×10²³ particles per mole. Avogadro's number applies to any substance.
Then you can apply the following rule of three: if 6.023×10²³ molecules are contained in 1 mole of NH₃, then 3.4×10²⁴ molecules are contained in how many moles of NH₃?
amount of moles of NH₃= (3.4×10²⁴ atoms × 1 mole)÷ 6.023×10²³ atoms
amount of moles of NH₃= 5.645 moles
Being the molar mass of NH₃, that is, the amount of mass that a substance contains in one mole, 17 , then the amount of mass that 5.645 moles of the compound contain can be calculated as:
5.645 moles× 17= 95.965 grams
Finally, 95.965 grams of NH₃ are in 3.4×10²⁴ molecules of NH₃.
b. Identify Table sugar has the chemical formula
C12H22O11 What is the ratio of carbon atoms
to oxygen atoms in this compound?
Answer:
great keep up the good work your teacher
Based on the electron configuration of the two atoms, predict the ratio of metal cationic (+) atom to nonmetal anionic (-) atom in the compound.
magnesium 1s22s22p63s2
bromine 1s22s22p63s23p64s23d104p5
a. 1:1
b. 1:2
c. 2:1
d. 3:1
The ratio of metal cationic (+) atom to nonmetal anionic (-) atom in the compound is 1:2.
What is electron configuration?The term electron configuration shows the arrangement of electrons in an atom. We have the configurations of the atoms as follows;
magnesium - 1s22s22p63s2
bromine - 1s22s22p63s23p64s23d104p5
We can see that the catio is Mg^2+ and the anioin is Br^- hence the ratio of metal cationic (+) atom to nonmetal anionic (-) atom in the compound is 1:2.
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