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storchak [24]
3 years ago
11

What am I? Weathering, Erosion or Deposition. >

Chemistry
1 answer:
Alona [7]3 years ago
6 0
There’s no picture or description you need to add one
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What is the molarity of 2.3 mol of Kl dissolved in 0.5 L of water
Nastasia [14]

Answer:

4.6\,\,moL\,\,L^{-1}

Explanation:

Molarity refers to a measure of concentration.

Molarity = moles of solute/Litres of solution

Molarity refers to number of moles of solute present in this solution.

In order to find a solution's molarity, use value for the number of moles of solute  and the total volume of the solution expressed in liters

As molarity of 2.3 mol of Kl is dissolved in 0.5 L of water,

Molarity = \frac{2.3}{0.5} =4.6\,\,moL\,\,L^{-1}

4 0
4 years ago
Please help will reward brainliest
Nastasia [14]

I'm not positive what evaporations you need but I have these.....

1. Wind assists evaporation; for example in clothes dry faster under a fan.

2. Heat assists evaporation; for example, in summer clothes dry faster than in winter.

3. Increase in surface area exposed assists evaporation; for instance, a wet cloth spread out dries faster than when folded.

4. Dryness assists evaporation; for instance, clothes dry faster in summer than during the monsoon when the air is humid.

5. The rate of evaporation depends upon the nature of the liquid; for example, petrol evaporates faster than water.

6. Vapor pressure: if pressure is applied on the surface of a liquid, evaporation is hindered; consider, for example, the case of a pressure cooker.

8 0
3 years ago
The anwser to this problem
Ilya [14]
Answer: 500

Explanation: Since there are fifty tens, you must multiply 50 by 10, in which will get you 500 as your final answer.
8 0
4 years ago
A reaction will be spontaneous only at low temperatures if both ΔH and ΔS are negative. For a reaction in which ΔH = −310.1 kJ/m
ruslelena [56]

Answer:

3211.12 K

Explanation:

The expression for the standard change in free energy is:

\Delta G=\Delta H-T\times \Delta S

Where,  

\Delta G is the change in the Gibbs free energy.

T is the absolute temperature. (T in kelvins)

\Delta H is the enthalpy change of the reaction.

\Delta S is the change in entropy.

For reaction to be spontaneous, \Delta G

Given, \Delta H=-310.1\ kJ/mol=-310100\ J/mol

\Delta S=-89.00\ J/K.mol

So,

\Delta H-T\times \Delta S

Thus, applying values as:-

-310100-T\times (-89.00)

So, T = 3484.27 K

The conversion of T( °C) to T(K) is shown below:

T( °C)  = T(K) - 273.15  

So,  

T = (3484.27 - 273.15) K = 3211.12 K

<u>The temperature below which the reaction is spontaneous is:- 3211.12 K </u>

6 0
4 years ago
How many grams of hydrogen gas is produced in Zn + HCl
Inga [223]

Answer:

3.08 grams

Explanation:

4 0
3 years ago
Read 2 more answers
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