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Evgesh-ka [11]
3 years ago
13

Power is measured in which unit?

Chemistry
1 answer:
fgiga [73]3 years ago
3 0

Answer:

joules or watts

Explanation:

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23. Select the evidence that Thomson used to conclude his findings.
Ilya [14]

Answer:

The answer is C

Explanation:

Thomson conducted many tests with cathode rays. Which led to his discovery of the electron.

8 0
3 years ago
The following reaction was performed in a sealed vessel at 791 ∘C : H2(g)+I2(g)⇌2HI(g) Initially, only H2 and I2 were present at
OlgaM077 [116]

Answer:

4.31 × 10²

Explanation:

Equation of the reaction;

H_{2(g)} + I_{2(g)}     ⇌     2HI_{(g)

The ICE Table is shown as follows:

                            H_{2(g)}         +         I_{2(g)}        ⇌     2HI_{(g)

Initial                    3.10                     2.50                  0      

Change                 - x                       -x                     + 2x      

Equilibrium        (3.10 - x)                0.0800              2x

From I_{2(g)}   ;

We can see that 2.50 - x = 0.0800

So; we can solve for x;

x = 2.50 - 0.0800

x = 2.42

H_{2(g)}  which = (3.10 -x) will be :

= 3.10 - 2.42

= 0.68

2HI_{(g) = 2x

= 2 (2.42)

= 4.84

K_c = \frac{[HI]^2}{[H_2][I_2]}

K_c = \frac{(4.84)^2}{(0.68)(0.0800)}

K_c =\frac{23.4256}{0.0544}

K_c = 430.62

K_c ≅ 431

K_c = 4.31 × 10²

6 0
3 years ago
Laura and 50ml of foil and water to 100 ml of ice water into a freezer what at what temperature will the water freeze
rewona [7]
Don't understand the text, but water always freezes at 0°C as long as its water.
6 0
4 years ago
The positively charged dense center of a atom
Studentka2010 [4]
Nucleus is the answer, I believe
7 0
3 years ago
Read 2 more answers
Plzzz helpp mee easapp ndjjs
klemol [59]
I think it is with screens l, chemicals, and filters
I hope this helped
4 0
3 years ago
Read 2 more answers
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