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Korvikt [17]
3 years ago
5

Please answer this question only if you know the answer! 30 points and brainliest!

Chemistry
2 answers:
liq [111]3 years ago
5 0

A. i think it’s  the  correct answer

telo118 [61]3 years ago
5 0

A. The circuit has insufficient power supplied by the battery

Was their meant to be a diagram?

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Measurements show that the energy of a mixture of gaseous reactants increases by during a certain chemical reaction, which is ca
TEA [102]
<h2>Endothermic and Exothermic</h2>

Explanation:

  • An exothermic response discharges heat and endothermic absorbs to heat
  • The whole of the enthalpies of the reactants is more prominent than the product, the response will be exothermic
  • In the product that the items side has a bigger enthalpy, the reaction is endothermic
  • An exothermic method  is one that emits heat. This heat is transferred to the environment
  • An endothermic reactions is one in which heat must be provided to the system from the environment
8 0
3 years ago
45.5 g of ice is heated from -25 degrees celsius to 150 degrees celcius. Calculate the total amount of heat required for the ent
tino4ka555 [31]

Answer:

Q = 16163.88 Joules

Explanation:

Given the following data;

Initial temperature, T1 = -25°C

Final temperature, T2 = 150°C

Mass = 45.5 g

Specific heat capacity of ice = 2.03 J/g°C

To find the quantity of heat required;

Heat capacity is given by the formula;

Q = mcdt

Where;

Q represents the heat capacity or quantity of heat.

m represents the mass of an object.

c represents the specific heat capacity of water.

dt represents the change in temperature.

dt = T2 - T1

dt = 150 - (-25)

dt = 150 + 25

dt = 175°C

Substituting into the formula, we have;

Q = 45.5 * 2.03 * 175

Q = 16163.88 Joules

4 0
2 years ago
Someone help me on these two 2
prisoha [69]

Answer:

Question 4 is- Solubility

Question 5 is- Suspension

Hopes this helps >:D

6 0
2 years ago
Why does the high pressure air being released into the ballast tanks of a submarine cause it to rise quickly?
Diano4ka-milaya [45]

Answer:

Initially, the ballast tanks are filled with water. The weight of the submarine is equal to the upthrust of the water at the position of the submarine under water. When high pressure air is released into the ballast tanks displacing the water, the weight of the submarine becomes less than  the upthrust of the water thus the net force is is upwards and it forces the sub to resurface. This is according to the Archimedes principle which states that a a body partially or wholly immersed in water displaces its own weight of the fluid in which it is immersed.

6 0
3 years ago
HURRYYY !!!! What radioactive isotope produces Aluminum-13 by beta decay
fgiga [73]

Answer:

I DONT KNOW SORRY

Explanation:

7 0
3 years ago
Read 2 more answers
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