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ad-work [718]
3 years ago
11

Which phrases accurately describe this rock. check all that apply

Chemistry
1 answer:
Nina [5.8K]3 years ago
7 0
What are the phrases I don’t see any pictures??
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What is the difference between parent material
Naily [24]
I don’t understand the question
4 0
4 years ago
The virial equation of state is not recommended to be used for polar compounds (asymmetrical compounds with non- zero dipole mom
Pepsi [2]

Answer:

True

Explanation:

*For polar and associated substances, methods based on four should be used  four or more parameters, like analytical equation of state

*The term "analytical equation of state" implies that the function

It contains powers of v not greater than four.

*Most expressions are of the cubic type and are grouped into

the so-called cubic equations of state.

*Cubic EoS calls are very popular in simulation of

processes due to its robustness and its simple extension to mixtures.

*They are based on the van der Waals state equation of more than

100 years.

7 0
3 years ago
Match each element to the number of electrons in its valence shell.
irinina [24]

Answer:

C: 4

H: 1

Mg: 2

O : 6

Explanation:

You can quickly find out the number of valence electrons by looking at where the element is on the periodic table and referring to the table that is attached.

6 0
1 year ago
Hydrogen gas is produced when zinc reacts with hydrochloric acid. If the actual yield of this reaction is 85%?
Leokris [45]
Reaction equation:
Zn + 2HCl → ZnCl₂ + H₂

One mole of gas occupies 22.4 L at STP
Moles of H₂ = 112/22.4
= 5 moles

The theoretical amount of Zn needed is 5 mol
The actual amount = 5/0.85
= 5.88 moles

mass = moles x Mr
mass = 5.88 x 65
mass = 382.2 g

The answer is D.
7 0
3 years ago
Describe two ways in which the gender based violence law protects citizens against human rights violations
Furkat [3]

Answer:

Gender based violence law protects citizens against human right violation. The laws protects mostly females due to them being the weaker gender and them being taken undue advantage.

The law protects females from raape and gives them an equal opportunity with the male gender in every aspect of life. They are protected against violence and genital mutilation.

3 0
4 years ago
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