3 years ago

Answer it answer it answer it

Chemistry

1 answer:

Archy [21]3 years ago

4 0

Answer:

Explanation:

A chemical change is when a new substance is created, which often has its own chemical properties, so A is the correct answer.

You might be interested in

Which part of the electromagnetic spectrum has a lower frequency than visible light?

drek231 [11]

Answer: infrared

Explanation: They have a longer wave length than visible light.

6 0

3 years ago

Read 2 more answers

The percent of carbon in carbon monoxide, CO, is _____. The molar mass of carbon monoxide is 28.01 g/mol.

maksim [4K]

((12g/mol)/(28.01g/mol))*100% = 42.84%

7 0

3 years ago

For the H, D and T tabulate three sub-atomic particles found in each of them

jonny [76]

Explanation:

The three sub atomic particles are;

Neutrons, Electrons and Protons

Hydrogen - H

Neutrons: 0

Electrons: 1

Protons: 1

Deuterium - D

Neutrons: 1

Electrons: 1

Protons: 1

Tritium - T

Neutrons: 2

Electrons: 1

Protons: 1

3 0

3 years ago

If after heating the reaction between magnesium and hydrochloric acid, the mass of the magnesium chloride and beaker is measured

Allushta [10]

Since the beaker was heated we can asume that only magnesium cloride is left in the beaker, therfore the difference between the beaker with magnesium chloride and the empty beaker give the mass of magnisium chloride:

$\text{mass MgCl}_2=massbeakerwithMgCl_2-mass\text{ emprty beaker =37.83 g - 33.95g = 3.8}8g$

7 0

1 year ago

How many neurons does atom in the model shown below have<br> a.2<br> b.9<br> c.10 <br> d.16

const2013 [10]

The atom in the model has 9 neurons.

7 0

3 years ago

Read 2 more answers