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Sergeeva-Olga [200]
2 years ago
5

Determine the volume of liquid in each graduated cylinders.

Chemistry
1 answer:
Anna007 [38]2 years ago
5 0
Every day is that good day lol I don’t have a lot to go with them but I’m going on the go and I go to the school day so I’ll go buy a new pair lol I don’t have time for them lol I don’t have time for that lol I didn’t buy them for them.
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Predict the density of acetylene gas (C2H2) at 0.910 atm and 20oC.
zhuklara [117]

Answer:

d = 0.98 g/L

Explanation:

Given data:

Density of acetylene = ?

Pressure = 0.910 atm

Temperature = 20°C (20+273 = 293 K)

Solution:

Formula:

PM = dRT

R = general gas constant = 0.0821 atm.L/mol.K

M = molecular mass = 26.04 g/mol

0.910 atm × 26.04 g/mol = d × 0.0821 atm.L/mol.K×293 K

23.7  atm.g/mol = d × 24.1 atm.L/mol

d = 23.7  atm.g/mol / 24.1 atm.L/mol

d = 0.98 g/L

6 0
3 years ago
How many moles in 4 g of Ca3N2?<br><br> .027 mol<br><br> .613 mol<br><br> 2.05 mol<br><br> .760 mol
Arada [10]

Answer:

0.027mole

Explanation:

3 0
1 year ago
Which reactants would lead to a spontaneous reaction?
sleet_krkn [62]

The reactants that would lead to a spontaneous reaction are Mn2+ and Al3+. Al and Mn  are not because they are stable reactants. Mn and Al3+ are not because Mn is stable. Mn2+ and Al are not because Al is stable.

5 0
3 years ago
Yusef adds all of the values in his data set and then divides by the number of values in the set. What is Yusef most likely find
Zanzabum

He is most likely finding the mean of the data.

7 0
2 years ago
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Write a variable expression that represents the following word phrase: three more than two times the difference of x and one.​
Inga [223]

Convert the wordphrase to expression

\\ \rm\longmapsto 2(x-1)+3

\\ \rm\longmapsto 2x-2+3

\\ \rm\longmapsto 2x+1

5 0
2 years ago
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