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frozen [14]
3 years ago
15

What is the mass in grams of 366mL of ethylene glycol

Chemistry
1 answer:
pshichka [43]3 years ago
6 0

Answer:

m=406.26g

Explanation:

Hello,

In this case, since the density is defined as the degree of compactness of a substance and it mathematically defined as the ratio of the mass and volume:

\rho = \frac{m}{V}

By knowing that its density is 1.11 g/mL, the mass in 366 mL is:

m=\rho V=366mL*1.11\frac{g}{mL}\\ \\m=406.26g

Regards.

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if i have 2.4 moles of gas held at a temperature of 97 c and in a container with a volume of 45 L , what is the pressure of the
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Answer:

1.62 L

Explanation:

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R= 0.08206 atm/mol⋅K

V= 45 L

n= 2.4 mol

P= (n⋅R⋅T)/V

= (2.4 x 0.08206 x 370.15)/(45) = 1.61997 = 1.62

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2 years ago
You receive a prescription for amoxicillin 75 mg qid for ten days. how many ml's do you need to fill this prescription to last t
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According to the question:

Given,

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6 0
3 years ago
Help me please!!!!!!!!!!!!!!!
Alex787 [66]

Answer:

2KBr + MgF₂ –> 2KF + MgBr₂

The coefficients are: 2, 1, 2, 1

Explanation:

KBr + MgF₂ –> KF + MgBr₂

The above equation can be balance as illustrated below:

KBr + MgF₂ –> KF + MgBr₂

There are 2 atoms of F on the left side and 1 atom on the right. It can be balance by writing 2 before KF as shown below:

KBr + MgF₂ –> 2KF + MgBr₂

There 2 atoms of K on the right side and 1 atom on the left side. It can be balance by writing 2 before KBr as shown below:

2KBr + MgF₂ –> 2KF + MgBr₂

Now, the equation is balanced.

The coefficients are: 2, 1, 2, 1

8 0
2 years ago
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