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dlinn [17]
3 years ago
10

Can someone help im not good at science

Chemistry
2 answers:
mel-nik [20]3 years ago
7 0
The answer is A, reactants are in front of the yield (—>) and are what is making something new. Products are what is made in the reaction and is behind the yield sign (—>). So none of these are true except A.
Digiron [165]3 years ago
6 0

Answer:

B

Explanation:

The products are what come out of the mix.

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erica [24]
1) Ca-37, with a half-life of 181.1(10) ms.
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How much heat is absorbed by a 112.5 g sample of water when it is heated from 12.5 °C to 9°C? (Specific heat capacity of water i
Oduvanchick [21]

Answer:

–1647.45 J

Explanation:

From the question given above, the following data were obtained:

Mass (M) = 112.5 g

Initial temperature (T₁) = 12.5 °C

Final temperature (T₂) = 9°C

Specific heat capacity (C) = 4.184 J/g°C

Heat (Q) absorbed =?

Next, we shall determine the change in temperature. This can be obtained as follow:

Initial temperature (T₁) = 12.5 °C

Final temperature (T₂) = 9°C

Change in temperature (ΔT) =?

ΔT = T₂ – T₁

ΔT = 9 – 12.5

ΔT = –3.5 °C

Finally, we shall determine the heat absorbed. This can be obtained as follow:

Mass (M) = 112.5 g

Change in temperature (ΔT) = –3.5 °C

Specific heat capacity (C) = 4.184 J/g°C

Heat (Q) absorbed =?

Q = MCΔT

Q = 112.5 × 4.184 × –3.5

Q = –1647.45 J

5 0
3 years ago
What is a disadvantage of a series circuit?
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The answer is B

If one circuit fails, it is most likely that all the components in the circuit will fail.
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Will mark brainliest
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Answer:

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