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Umnica [9.8K]
3 years ago
10

A ball is sitting at the top of a ramp. As the ball rolls down the ramp, the potential energy of the ball decreases. What

Chemistry
1 answer:
Ivenika [448]3 years ago
5 0

It is converted to kinetic energy since it is now moving.

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An adult with the flu has a temperature of 102°F. Express your answer as an integer.
Pie

Answer: <u>A integer is a whole number.</u>

<em>An adult with the flu has a temperature of 102°F</em>

<em>A brain contains  neurons (moving the decimal point to the right side power of 10 increases........here decimal point is moved to two places to the right side so power of 10 decreases from 10 to 8)</em>

<em>The time for a nerve impulse to travel from the feet to the brain is  s. (moving the decimal point to the right side power of 10 increases........here decimal point is moved to two places to the right side so power of 10 decreases from 0 to -2)</em>

Explanation:

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3 years ago
This thermogram shows a person using a computer. Complete the sentence to describe the flow of thermal energy between the person
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<h2>Answer : The thermal energy will flow from the computer to the person.</h2><h3>Explanation :</h3>

Usually computer are such devices which converts electrical energy into thermal energy and then it gets transferred to the person. The energy flows from the higher amount to lower amount. In this case, computer is producing higher thermal energy than the person that's the reason for the flow of energy from computer to the person.

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3 years ago
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Which of the following is a common property of both strong acid and strong base?
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A solution is prepared by dissolving 38.6 g sucrose (C12H22O11) in 495 g of water. Determine the mole fraction of sucrose if the
stiks02 [169]

Answer:

4.09×10⁻³ is the mole fraction of sucrose

Explanation:

Mole fraction = Moles of solute or solvent/ Total moles

Let's convert the mass to moles (mass / molar mass)

38.6 g / 342 g/m = 0.113 moles of sucrose

495 g / 18 g/m = 27.5 moles of water

Total moles = 0.113 m + 27.5 m = 27.0613 moles

Mole fraction of sucrose = Moles of sucrose / Total moles

0.113 m / 27.0613 moles = 4.09×10⁻³

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3 years ago
How many grams of water are produced from reacting 25 grams of oxygen gas with hydrogen gas to produce water?
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Answer:

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Explanation:

reaction equations to make connections between the reactants and products in reactions. ... pathway: mol of O2 → mol of H2O → grams of H2O. 3.5 mol ... 25 g KClO3 ... How many grams of hydrogen gas are produced from the reaction of 221.

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