Ice cream

Chemistry

1 answer:

exis [7]3 years ago

6 0

Answer:

icecream-decreasing

air,cone-surounding

heat is -entering-the system

the potential energy-increasing

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If you were running your own country, which energy resource would you choose for generating electricity? Think about cost, avail

tatiyna

Answer:

See explanation

Explanation:

If I am running my country, I will go for biomass as an energy resource. Biomass is cheap and readily available. The use of biomass in electricity generation is largely safe and reliable; it even ensures a clearer environment!

Biopower plants burn biomass directly to produce high-pressure steam which is now used to drive a turbine generator to generate electricity. Biomass will always be available at almost no cost hence it offers an inexpensive energy resource for electricity generation.

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3 years ago

A chemist adds of a sodium thiosulfate solution to a reaction flask. Calculate the mass in grams of sodium thiosulfate the chemi

schepotkina [342]

This is a incomplete question.The complete question is:

A chemist adds 180.0 ml of a 1.77 mol/L of sodium thiosulfate solution to a reaction flask. Calculate the mass in grams of sodium thiosulfate the chemist has added to the flask. Be sure your answer has the correct number of significant digits.

Answer: 50.4 g

Explanation:

To calculate the number of moles for given molarity, we use the equation:

$\text{Moles of solute}={\text{Molarity of the solution}}\times{\text{Volume of solution (in L)}}$ .....(1)