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melomori [17]
3 years ago
6

The element M forms a stable ionic compound MCl 2. If M were allowed to react with bromine, the resulting compound would have th

e formula:________.
Chemistry
1 answer:
Alisiya [41]3 years ago
4 0

Answer: MBr2 is the resulting formula

Explanation:

Element M with Chlorine

M + CL2 --> MCL2

Element M with Bromine

M + Br2 --> MBr2

Chlorine and Bromine belong to the same group 7 known as HALOGENS. Both have an 7 outermost electrons, thus will react with Element M (most likely a metal in group 2) in the same way.

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A helium balloon has a volume of 2.5 L. When heated to 343.5K the pressure of the gas is 66.7 kPa. How many moles of He gas woul
Lelu [443]

Answer:

0.06mole

Explanation:

Given parameters:

Volume of balloon = 2.5L

T = 343.5K

P  = 66.7kPa; in atm  gives  = 0.66atm

Unknown:

Number of moles of He  = ?

Solution:

To solve this problem, we use the ideal gas equation.

 It is mathematically expressed as;

               Pv = nRT

  where  p is the pressure

              v is the volume

               n is the number of moles

               R is the gas constant

               T is the temperature

      0.66 x 2.5  = n x 0.082 x 343.5

                      n  = 0.06mole

8 0
3 years ago
At high pressures how does the volume of a real gas compare with the volume of an ideal gas under the same conditions and why
malfutka [58]
Answer: No, a<span>t high pressures, volume of a real gas does not  compare with the volume of an ideal gas under the same conditions.

Reason: 
For an ideal gas, there should not be any intermolecular forces of interaction. However, for real gases there are intermolecular forces of interaction like dipole-dipole and dipole-induced dipole. Further, at high pressures, molecules are close by. Hence, extend of these intermolecular forces is expected to be high. This results in decreases in volume of real gas. Thus, </span>volume of a real gas does not  compare with the volume of an ideal gas under the same conditions.

3 0
3 years ago
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A _____ change occurs when a substance changes phase. physical chemical nuclear user: the latent heat of vaporization of ethanol
dezoksy [38]
<span> physical 

</span><span>about 200 calories of heat must be added to 1 gram of ethanol to convert it from a liquid to a gas</span><span>






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3 0
3 years ago
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D is a green crystalline solid that dissolves in water to give a very pale green solution addition of sodium hydroxide solution
Ksivusya [100]

Answer:

I think its iron(II) oxide

Explanation:

The substance is black but when it's mixed with water it turns green solution so when mixed with sodium Hydroxide it turns green

5 0
3 years ago
Answering questions by analyzing specific observations and using them to come to a more general understanding is known as ______
ad-work [718]

The correct answer would be inductive reasoning.

Primavera?

4 0
3 years ago
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