The liquid part of a homogeneous mixture is the _____.a. solvent
b. solution
c. solute
d. colloid

Answers

Answer 1

Answer: The liquid part of a homogeneous mixture is most often than not the a. solvent

This depends on the type of homogeneous mixture at hand. For a liquid-solid homogeneous mixture, the liquid works as the solvent. For a gas-liquid homogeneous mixture, the liquid often works as the solvent as well. However, for a liquid-liquid homogeneous mixture, the liquid acts as both the solute and solvent.

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Say you had another object of the exact same material as the previous question. You need to know the volume but the object is irregularly shaped and is much too large for graduated cylinder. However, you know that the mass is 382 g. What is the volume of the object?

Answers

Answer:

152.8 cm3

Explanation:

We are given that the material of the object is the same as the previous object

In the previous question, we determined the density of the material is 2.5 g/cm3

We are given the mass of this object is 382 g

To find the volume, we can use the equation:

Mass = Density x Volume

Plugging in the values we know:

382 g = (2.5 g/cm3) x Volume

Solving for Volume:

Volume = Mass / Density

= 382 g / 2.5 g/cm3
= 152.8 cm3

Identify each of the following as a representative element or a transition element:A) Lithium
B) Platinum
C) Promethium
D) Carbon

Answers

The correct answer is B. Platinum is the transition element among the choices. The elements belonging to this group are those having a partially filled d or f subshell. It usually refers to the d-block transition elements of the periodic table.

How many atoms are in 1.75 mol of ecules oh NH^3

Answers

1 mole ----------- 6.02x10²³ atoms
1.75 moles ------- ?

atoms = 1.75 * 6.02x10²³ / 1

= 1.053x10²⁴ atoms

hope this helps!

The average kinetic energy of water molecules is greatest in which of these samples?(1) 10 g of water at 35°C(2) 10 g of water at 55°C(3) 100 g of water at 25°C(4) 100 g of water at 45°C

Answers

Answer : The correct option is, (2) 10 g of water at 55°C

Explanation :

Average kinetic energy of the gas particle is directly proportional to the temperature of the gas particle.

Formula used :

$K.E=(3)/(2)(RT)/(N_A)$

where,

R = Gas constant

T = temperature

$N_A$ = Avogadro's number

From this we conclude that the kinetic energy is directly proportional to the temperature where 'R' and $N_A$ are constant. That means kinetic energy depends only on the temperature not on the mass.

(Higher the temperature, higher will be the kinetic energy)

Hence, the average kinetic energy of water molecules is greatest in 10 g of water at 55°C.

Final answer:

The sample with the highest average kinetic energy of water molecules is (2) 10 g of water at 55°C.

Explanation:

Kinetic energy is a fundamental concept in physics that describes the energy an object possesses due to its motion. It depends on both an object's mass and its velocity. Objects in motion have kinetic energy, and the faster they move or the more massive they are, the greater their kinetic energy. This energy can be transferred or transformed but is always conserved in a closed system.

The average kinetic energy of water molecules depends on the temperature of the water. The higher the temperature, the greater the average kinetic energy. In this case, the sample with the highest average kinetic energy would be (2) 10 g of water at 55°C. This sample has a higher temperature than the other options, therefore, the water molecules in this sample have the highest average kinetic energy.

Learn more about Average kinetic energy of water molecules here:

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Carbon-14 has a half-life of 5715 years. If a 2.00g sample of Carbon-14 has decayed for 17145 years, how much of the sample remains?

Answers

The sample should have .25 g left. I did it and got the answer
N=0.25g

When May a hypothesis be revised

Answers

Answer: Based on experimental data

Explanation: The hypothesis is not the ultimate proven theory, the more a preliminary assumption on the basis of which further research is carried out with the help of experiments in order to prove the hypothesis as accurate. If the experiments carried out showed that the hypothesis is wrong, it is necessary to revise the hypothesis and set up a new experiment.

a hypothesis may be revised after the experiment that you performed proved it wrong. then after looking over the data you should revise your hypothesis and perform the experiment again.

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What is the ratio of NO:N2 in the given reaction4NH3+6NO->5N2+6H2O? A) 5:6 B) 6:5 C) 4:5 D) 5:4

The chemical properties of organic molecules are determined by specific arrangements of atoms called _____________.

HELP UNDERSTAND, PLEASE! In a reaction, 15 moles of carbon dioxide are produced from 5 moles of iron (III) oxide and 15 moles of carbon monoxide. What is the mole ratio of carbon dioxide to carbon monoxide?15:55:151:31:1