Chemistry College

An example of gas dissolved into water
would be soda.
True
False

Answers

Answer 1

Answer:

It would be true cause the example of gas would be coke soda

Explanation:

Related Questions

Are two atoms of the same element identical? pls answer asap need long definition ​

Answers

Atoms of the same chemical element do not always have the same mass because, although the number of protons in the nucleus is the same for all atoms of the same element, the number of neutrons is not. Most elements as they occur naturally on earth are mixtures of several isotopes

hope this will help

Answer:

NO two atom of the same element are typically not identical.EXPLANATION : First of all there is a range of possible states that the electron of an atom can occupy . Two atoms of the same element can be different ifif their electrons are in different states.

here is the answer hope It help you please

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If you only know the number of protons, you can identify an element.
true or false

Answers

The answer to your question is true

About how long does it take for the moon to cycle through all its different observable shapes? (2 points)

Group of answer choices

A day

A month

A year

An hour

Answers

About a month

because it takes the moon 29.5 days to completely cycle through all eight phases

How many ions are in 0.5 moles of NaCl?

Answers

Explanation:

Step 1: Write out the chemical formula of the compound.

Magnesium Chloride = MgCl^2

Step 2: Convert moles into number of compounds using Avogadro's number

0.5 moles MgCl^2 ⋅(6.022⋅10^23 - 1 mole MgCl^2)= 3.011⋅ 10^23

                               

Step 3: Determine how many Chloride ions there will be in 1 compound

There will be 2 Cl− ions in each compound (Cl^2 part)

Step 4: Multiply the number from Step 2 by the number in Step 3

3.011 ⋅ 10^23 ⋅ 2= 6.022 ⋅ 10^23

We do this because the ratio is 2 Cl− ions for every 1 compound.

In the case of finding how many ions in general (both sodium and chloride), we would multiply by 3 because there are 3 ions per 1 compound.

I hope this helped!

What is the abbreviated electronic configuration of Ca^2+?

Answers

Answer:

The electron configuration of a Ca2+ ion is 1s22s22p63s23p6

Explanation:

Answer:

1s², 2s², 2p⁶, 3s², 3p⁶

Explanation:

The general configuration for a regular Calcium atom is :

1s², 2s², 2p⁶, 3s², 3p⁶, 4s²

But it mentions it is a Ca²⁺ ion.

This means it has lost 2 electrons.

Therefore, the configuration is :

1s², 2s², 2p⁶, 3s², 3p⁶

What is the number of moles of ammonia gas formed when 0.5 mole of nitrogen gas is reacted with excess of hydrogen gas?​

Answers

Answer: 1.5mol NH3

Explanation: 1N2+3H2= NH3

                      0.5 mol N2x 3NH3/1molN2= 0.5x3= 1.5mol NH3

Ethanol is being used as an additive to
gasoline. The combustion of 1 mol of ethanol releases
1367 kJ of energy. How many Calories are released?

Answers

Answer:

1.Begin energy in kilojoules.

2.Use a conversion factor in convert kilojoules to joules .

3.Use a conversion factor top convert

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