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Vedmedyk [2.9K]
3 years ago
5

Explain why there is a difference in the thickness of the crust between the side of the moon facing the Earth and the side that

faces away from the Earth?
Chemistry
1 answer:
Ray Of Light [21]3 years ago
4 0

Answer:

the lack of maria; the thicker crust means it was harder for giant impacts to pierce the crust and get darker basaltic lava bubbling up.

Explanation:

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2. Arnie is going to dissolve 2.65g of zinc using 6.0M hydrochloric acid. A) what volume of the acid will he need to dissolve al
fenix001 [56]

Answer:

Explanation:

Zn + 2HCl = ZnCl₂ + H₂

A ) mole of Zn = 2.65 / 65

= .04 mol

mole of HCl required = .04 x 2 mol

.08 mol

If v be the volume required

v x 6 = .08

v = .0133 liter

= 13.3 cc

B )

volume of gas at NTP :

moles of gas  obtained = .04 moles

= 22.4 x .04 liter

= .896 liter

we have to find this volume at given temperature and pressure

\frac{P_1V_1}{T_1} =\frac{P_2V_2}{T_2}

\frac{760\times.896}{273} =\frac{628\times V_2}{296}

V_2 = 1.175 liter.

C )

.04 mole of zinc chloride will be produced

mol weight of zinc chloride

= 65 + 35.5 x 2

= 136 gm

.04 mole = 136 x .04

= 5.44 gm

5 0
4 years ago
Calculate the molar mass of the following compounds in g/mol.<br> CH3CO2H
valentinak56 [21]

Answer:

60g/mol

Explanation:

By using nucleon numbers given on the periodic table, the mass of 1 mole of each element is:

C= 12g

H= 1g

O= 16g

Since molar mass is the sum of the masses of each element present in the compound,

Molar Mass (Mr) = 12+3(1)+12+16(2)+1 = 60g/mol

7 0
3 years ago
Select the structure corresponding to trans-3-octene.
vitfil [10]

Answer: B

Explanation:

4 0
3 years ago
Does the mass of the sealed jar and its contents change upon the vaporization of the liquid?
Norma-Jean [14]

The answer is No. That is the mass of the sealed jar and its contents does not change upon the vaporization of the liquid, as according to the “law of conservation of mass” , the mass remain conserved when no matter is escape, the mass will remain constant and here also as the jar is sealed, no matter is escaped thus no mass change will be there.

4 0
4 years ago
A scientist observes that an unknown solution turns blue Litmus paper red and reacts with zinc to produce hydrogen gas. Which of
Tatiana [17]
The answer is B: an acid
7 0
3 years ago
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