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Sergeeva-Olga [200]
3 years ago
13

CO2

Chemistry
1 answer:
Deffense [45]3 years ago
5 0

Answer:

a element and compounds

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Workers who build railway tracks often use a process called thermite welding to connect pieces of track. Thermite is a mixture o
Paladinen [302]

Explanation:

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exothermic because of the heat

4 0
3 years ago
What happens at the particle level in a chemical reaction?
mr_godi [17]
Hello,

Here is your answer:

The proper answer to your question is that "the particles will rather speed up or slow down depending on what type reaction".

If you new anymore help feel free to ask me!

Hope this helps!

8 0
3 years ago
a plant fertilizer contains 15% by mass nitrogen. in a container of soluble plant food. there are 10.0 oz of fertilizer . how ma
trasher [3.6K]
If we convert the ounces to grams, there are approximately 283.495 grams of plant fertiliser

If nitrogen has 15% of this, all we have to do is divide this number by 100 to get the mass of 1% and multiply it by 15.

In the end, we end up with the mass of 42.5243 g

Hope I helped! xx
7 0
3 years ago
Please help me with this homework
aleksandr82 [10.1K]
Answer is gas for sure and I think it’s ice for question 2
5 0
3 years ago
1) Write the ionic compound formulas for the element sodium and all the elements in group 6A. Example: Sodium + Oxygen=Na2O
PIT_PIT [208]

Answer:

See explanation

Explanation:

1) Group 6A elements include; O, S, Se, Te, Po

Na2O, Na2S, Na2Se, Na2Te, Na2Po

2) Group 7A elements include; F, Cl, Br, I, At

AlF3, AlCl3, AlBr3, AlI3, AlAt3

3) Group 5A elements are;

N, P, As, Sb,Bi

Mg3N2, Mg3P2, Mg3As2, Mg3Sb2, Mg3Bi2

3 0
3 years ago
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