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I am Lyosha [343]
3 years ago
5

What is the mass of 0.46 mol of MgCl2

Chemistry
1 answer:
Ronch [10]3 years ago
8 0

Answer:

43.7

Explanation:

mole is equal mass concentration/ moler mass of MgCl²

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A sample of gas (24.2 g) initially at 4.00 atm was compressed from 8.00 l to 2.00 l at constant temperature. after the compressi
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Explanation: 
P1V1 = P2V2 
P2 = P1V1/V2 
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2 years ago
How many joules of energy are absorbed when 36.2 grams of water is evaporated?
AfilCa [17]

Answer:

.........................................................

Explanation:

8 0
2 years ago
A mixture of methanol and methyl acetate contains 15.0 wt% methanol.
Usimov [2.4K]

The mixture flow rate in lbm/h = 117.65 lbm/h

<h3>Further explanation</h3>

Given

15.0 wt% methanol

The flow rate of the methyl acetate :100 lbm/h

Required

the mixture flow rate in lbm/h

Solution

mass of methanol(CH₃OH, Mw= 32 kg/kmol) in mixture :

\tt 15\%\times 200~kg=30~kg\\\\mol=\dfrac{mass}{MW}=\dfrac{30~kg}{32~kg/kmol}=0.9375~kmol

mass of the methyl acetate(C₃H₆O₂,MW=74 kg/kmol,85% wt) in 200 kg :

\tt 85\%\times 200=170~kg\\\\mol=\dfrac{170}{74}=2.297~kmol

Flow rate of the methyl acetate in the mixture is to be 100 lbm/h.

1 kg mixture = 0.85 .methyl acetate

So flow rate for mixture :

\tt \dfrac{1~kg~mixture}{0.85~methyl~acetat}\times 100~lbm/h=117.65~lbm/h

5 0
2 years ago
James decided to do an experiment with a can of soda. He opened a 340 g can of soda and left it open for a day. The next day, he
amm1812

Answer:

A - The can was open and gases were released.

8 0
2 years ago
At STP, which substance has metallic bonding?
kogti [31]
Silver has metallic bonding.

Silver is a very typical and main metal. The negatively charged electrons distribute themselves throughout the entire piece of metal and form non directional bonds between the positive silver ions, which is metallic bonding, and what silver contributes.
7 0
3 years ago
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