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Gnom [1K]
3 years ago
14

HELP FAST!! 20 POINTS!! Any one of these please!!!

Chemistry
1 answer:
Ann [662]3 years ago
6 0
Not sure about the first two but I think number three is B. sorry if I'm wrong
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Someone help with this please
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2 years ago
Consider the following data for five hypothetical elements: Q, W, X, Y, and Z. Rank the elements from most reactive to least rea
aleksley [76]

Answer:

Y Q W Z X

Explanations:

The most reactive element is the element that will displace an element from it compound . The most reactive element will replace the less reactive element in it compound.

Q+ + Y Reaction occurs

Since the reaction occurs the element Y which is more reactive displaced element Q from it compound.

Q+W+ Reaction occurs

The reaction occurs, that means element Q replaces element w from it compound. Element Q is therefore more reactive than element W.

W+Z+ Reaction occurs

The reaction also occurs . This is an indication that element W replaces element Z in it compound. This means element W is very reactive than element Z.

X+Z+ No reaction

There is no reaction here. This is an indication that element X is less reactive than element Z. This is why element X can't displace element Y in it compound.

4 0
3 years ago
The unbalanced equation below shows the combustion of methane.
Ratling [72]
B. 1, 2, 1, 2. You balance the equation by making sure there are equal elements on both sides.
3 0
2 years ago
Which of the following objects would transfer heat by convection?
Shkiper50 [21]

<em>i think the answer is b </em>

7 0
3 years ago
Read 2 more answers
Which number represents an acidic pH, 4 or 9? _______ Numerical Answers Expected! Answer for Blank 1:
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Answer:

4

Explanation:

pH scale of acidic is 4.

8 0
3 years ago
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