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QveST [7]
3 years ago
13

Complete the word equation for making a salt.

Chemistry
2 answers:
S_A_V [24]3 years ago
5 0

Answer:

The answer would be option c) metal + nonmetal

Hope this helps!

dalvyx [7]3 years ago
4 0

Answer:

acid +alkaline =salt and water

Explanation:

if an acid reacts with an alkaline they form salt and water

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What occurs when potassium reacts with chlorine to form potassium<br> chloride?
marissa [1.9K]
Chlorine gas reacts to potassium bromide to form potassium chloride in solution and liquid bromine.

I hope this helps/answers your question! I vaguely remember getting this question before too
5 0
3 years ago
Use Hess's Law to calculate the enthalpy change for the reaction
Marysya12 [62]

Answer:

ΔH = 125.94kJ

Explanation:

It is possible to make algebraic sum of reactions to obtain ΔH of reactions (Hess's law). In the problem:

1. 2W(s) + 3O2(g) → 2WO3(s) ΔH = -1685.4 kJ

2. 2H2(g) + O2(g) → 2H2O(g) ΔH = -477.84 kJ

-1/2 (1):

WO3(s) → W(s) + 3/2O2(g) ΔH = 842.7kJ

3/2 (2):

3H2(g) + 3/2O2(g) → 3H2O(g) ΔH = -716.76kJ

The sum of  last both reactions:

WO3(s) + 3H2(g) → W(s) + 3H2O(g)

ΔH = 842.7kJ -716.76kJ

<h3>ΔH = 125.94kJ </h3>
3 0
3 years ago
Definition of e = mc2
Nitella [24]

Answer:

Energy equals mass times the speed of light squared.

Explanation:

can i get brainliest? lol :) hope that helps

7 0
3 years ago
Read 2 more answers
Could someone explain what oxidation numbers are and what these questions are asking of me?
Oxana [17]

The oxidation state, sometimes referred to as oxidation number, describes the degree of oxidation of an atom in a chemical compound.

<u>Explanation:</u>

The oxidation number of an atom is the charge that atom would have if the compound was composed of ions. 1. The oxidation number of an atom is zero in a neutral substance that contains atoms of only one element. The oxidation number of simple ions is equal to the charge on the ion.

The oxidation number of a mono atomic ion equals the charge of the ion. The oxidation number of H is +1, but it is -1 in when combined with less electro negative elements. The oxidation number of O in compounds is usually -2, but it is -1 in peroxides. The oxidation number of a Group 1 element in a compound is +1.

6 0
3 years ago
How many grams of oxygen are required to burn 0.10mole of c3h8?
Anastaziya [24]
1mol—44g/mol
0.10mol—x
x=0.10*44
x=4.4 g
8 0
3 years ago
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