CHEMISTRY HIGH SCHOOL

What is the volume of an object whose dimensions are 5.54 cm, 10.6 cm, and 199 cm?

Answers

Answer 1
Answer: Volume:

a x b  x c 

Therefore:

5.54 x 10.6 cm x 199 => 11,686.076 cm³

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The melting and freezing points of a substance are the same temperature.a. True
b. False

Answers

That's false. A melting point is hot/warm, while the freezing point is cold.
False! The melting point and freezing points would differ based on their properties. 

Which is the best tool to find the volume of the base that she needs to neutralize the acid

Answers

The best tool to find the volume of the base taht she needs to neutralize the acid is M1V1 = M2V2. an example is given below.

Given:

12.0 M HCl

2.0 liters of a 3.0 M HCl

Required:

volume of concentrated hydrochloric acid

Solution:

M1V1 = M2V2

(12.0 M HCl)V1 = (3.0 M HCl)( 2.0 liters)

V1 = (3.0 M HCl)( 2.0 liters)/ (12.0 M HCl)

V1 = 0.5 liters

The differences between two molecules include the type of sugar that forms a section of the molecules and the identity of one of the four nitrogenous bases that make up another section of the molecules. These two molecules are —

Answers

The answer is nucleic acids

Criteria for evaluating alternative solutions includes all of the following except :a. Appropriateness
b. Prediction
c. Adequacy
d. Efficiency

Answers

Criteria for evaluating alternative solutions includesall of the following except :

a. Appropriateness
b. Prediction
c. Adequacy
d. Efficiency

Criteria for evaluating alternative solutions includesall of the following except prediction. The answer is letter B. 

What is the molarity of a solution that contains 612 grams of CaCl2 in 3.04 liters of solution?1.81 M
201 M
5.52 M

Answers

1.       There are a number of ways to express concentration of a solution. This includes molarity. Molarity is expressed as the number of moles of solute per volume of the solution. The concentration of the solution is calculated as follows:

 

Molarity = 612 g (1 mol / 110.96 g) / 3.04 L

Molarity = 1.81 M

1.81 M is the polarity of a solution that contains 612 grams of CaCl2 in 3.04 liters of solution.

The abbreviation that represents a volume unit isa. cm3.
b. mg.
c. mm.
d. cm.

Answers

The answer is A - cm3
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