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Irina18 [472]
3 years ago
11

What does the pH of a solution depend on?

Chemistry
2 answers:
Daniel [21]3 years ago
7 0
The ph level depends on temperature.
mafiozo [28]3 years ago
3 0

Answer: the concentration of hydrogen ions in the solution

Explanation:

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\The specific heat of aluminum is 0.21 cal g°C . How much heat is released when a 10 gram piece of aluminum foil is taken out of
DiKsa [7]

<u>Answer: </u>The amount of heat released is 84 calories.

<u>Explanation: </u>

The equation used to calculate the amount of heat released or absorbed, we use the equation:

Q= m\times c\times \Delta T

where,

Q = heat gained  or released = ? Cal

m = mass of the substance = 10g

c = specific heat of aluminium = 0.21 Cal/g ° C

Putting values in above equation, we get:

\Delta T={\text{Change in temperature}}=(10-50)^oC=-40^oC  

Q=10g\times 0.21Cal/g^oC\times-40^oC

Q = -84 Calories

Hence, the amount of heat released is 84 calories.

6 0
2 years ago
What may be expected when K &gt; 1.0?
lora16 [44]

The two correct statements are:

1. The concentration of one or more of the products is small

2. The reaction will proceed to the right and favor the formation of products.

LeChatelier's Principle states that when a stress is imposed on a system at equilibrium, the equilibrium will shift to counteract the change. A reduction in the number of products cause the system to respond by making more product, which leads to K>1 and products being more favorable.

4 0
2 years ago
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HURRY PLS
fiasKO [112]

False

The water is more buoyant which means the water has more of a tendency to float than the duck.

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3 years ago
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What processes add methane (CH4) to the atmosphere<br>​
tekilochka [14]

Answer:

Cultivated rice paddies

Drilling of natural deposits

Fossil fuel use

Burning of biomass

Landfills

Explanation:

The bulk of the methane released into the atmosphere are as a result of various human activities.

  • Cultivated rice paddies are a known source of methane
  • The drilling of natural deposits and their exploration can release some methane into the atmosphere
  • Burning of fossil fuel and biomass is a source of methane
  • Landfills produces methane as organic materials begins to decay.
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3 years ago
Some students were investigating the
nordsb [41]

Answer:

I am a grade six student but I am very interested in chemistry

Explanation:

I sorry but this is NOT chemistry

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3 years ago
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