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victus00 [196]
3 years ago
9

More than 70% of all legislation passed in Washington, DC addresses issues related to science; most of these issues pertain chem

istry. True or False
Chemistry
1 answer:
Zigmanuir [339]3 years ago
8 0
The answer is False.
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Which barium nitrate solution requires the greatest moles of solute?
DochEvi [55]

Answer:

The answer to your question is: letter E,  1.77 L of 1.55 M Ba(NO3)2

Explanation:

Formula

Molarity = \frac{moles}{volume (L)}

moles = Molarity x volume (L)

a. 2.58 L of 0.0250 M Ba(NO3)2

moles = (0.025) (2.58)

moles = 0.065 M

b. 19.23 mL of 8.5 × 10−2 M Ba(NO3)2

moles = (8.5 x 10 ⁻²) (0.01923)

moles = 0.0016

c. No right answer.

d. 26.20 mL of 2.21 M Ba(NO3)2

 moles = (2.21)(0.0262)

moles = 0.058

e. 1.77 L of 1.55 M Ba(NO3)2

  moles = (1.55)(1.77)

  moles = 2.74            This solution needs the greatest concentration of

                                    Ba(NO₃)₂

6 0
3 years ago
Define the molecular of a substance​
Greeley [361]

Answer:

A molecule is an electrically neutral group of two or more atoms held together by chemical bonds. Molecules are distinguished from ions by their lack of electrical charge. hope this helps :)

8 0
2 years ago
What type of Energy is stored in chemical bonds?
dusya [7]

Answer:

potential energy

Explanation:

Energy, potential energy, is stored in the covalent bonds holding atoms together in the form of molecules. This is often called chemical energy.

4 0
3 years ago
Un gas a una temperatura de 38°C, tienen un volumen de 21 Lts Litros. ¿Qué volumen tendrá si la temperatura sube a 67°C?.
djverab [1.8K]

Answer:

. ¿Qué

Explanation:

Hope you have a great day

3 0
3 years ago
Which of the following rocks would probably be made up of the largest
IrinaVladis [17]

Answer:

Granite will be made up of the largest

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3 years ago
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