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RSB [31]
2 years ago
8

Why does a beta particle have an atomic number of -1

Chemistry
1 answer:
Fudgin [204]2 years ago
6 0
I cant entirely tell for now but an article on rodioactivity should solve the problem
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29. What is E for a system which has the following two steps:
jasenka [17]

Answer:

Zero

Explanation:

Recall that;

E = q + w

Where;

q = heat, w = work done

When heat is absorbed by the system q is positive

When heat is evolved by the system q is negative

When the system does work, w is negative

When work is done on the system w is positive

Step 1

ΔE1= 60 KJ + 40 KJ = 100KJ

Step 2

ΔE2= (-30 KJ) + (-70 KJ) = (-100) KJ

ΔE1 + ΔE2= 100KJ + (-100) KJ = 0KJ

4 0
3 years ago
Give the answer to the problem below using the correct number of significant digits. (1.3 x 103) x (5.724 x 104)
Gemiola [76]
(133.9) x (595.296)= 79,710.1344
Answer with significant digits: 80,000
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6 0
3 years ago
Read 2 more answers
When a fuel burns, what determines whether co or co^2 will be produced?
Galina-37 [17]
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EX:
"In the presence of plenty of oxygen" is complete combustion
"Not enough oxygen present" is incomplete combustion
5 0
3 years ago
The term ___________ refers to the grinding away of rock by rock particles carried by water, ice, wind, or gravity
eimsori [14]

Answer:

isn't it erosion

Explanation:

if i am wrong sorry have a good day

7 0
3 years ago
How does the type of liquid used to make ice cubes affect the rate at which it melts?
3241004551 [841]
It doesn’t affect it
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