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irina [24]
3 years ago
14

What products will form when potassium is added to cold, liquid water?

Chemistry
2 answers:
kow [346]3 years ago
7 0

Answer:

The answer is C

Explanation:

i took a test on this.

rewona [7]3 years ago
4 0

Answer:

C

Explanation:

Potassium metal reacts very rapidly with water, which forms Potassium hydroxide (KOH) and hydrogen gas (H2).

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Which property of matter is conserved in chemical reactions and shown by balanced equations? mass volume density shape
den301095 [7]

Answer:mass

Explanation:

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3 years ago
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Consider a wooden chair and a balloon. What do these two
ICE Princess25 [194]

Answer:

D)

Explanation:

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6 0
3 years ago
11. A new compound has just been developed. Its formula is:
jarptica [38.1K]

Answer:

6.

Explanation:

G, H, O, N, Na, P

There are 6 different elements listed, with O (oxygen) showing up twice.

7 0
3 years ago
. A standard dry cell has an output voltage of A. 1.5 VDC. B. 1.1 VDC. C. 1.2 VDC. D. 2.0 VDC.
NikAS [45]
<span>The correct answer is letter A. 1.5 VDC. A standard dry cell has an output voltage of A. 1.5 VDC. Standard dry cell is a type of electricity-producing chemical cell, that is commonly use in households, and even portable devices. Dry cell is zinc-carbon cell and with nominal voltage of 1.5 volts.</span>
4 0
3 years ago
20 ML of a gas at 200 K is heated until the new volume is 55ML what is the final temperature of the gas
MrRa [10]

Answer:

T2 = 550K

Explanation:

From Charles law;

V1/T1 = V2/T2

Where;

V1 is initial volume

V2 is final volume

T1 is initial temperature

T2 is final temperature

We are given;

V1 = 20 mL

V2 = 55 mL

T1 = 200 K

Thus from V1/T1 = V2/T2, making T2 the subject;

T2 = (V2 × T1)/V1

T2 = (55 × 200)/20

T2 = 550K

8 0
2 years ago
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