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adelina 88 [10]
3 years ago
7

Which has the least gravitational potential energy?

Chemistry
1 answer:
kogti [31]3 years ago
8 0

Answer: it’s a 10kg barbell resting on the floor

Explanation:

This has the least gravitational potential energy

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A solid, pure substance containing just carbon and hydrogen is found to contain 35.8g of carbon and 3.72 g of hydrogen. how many
Igoryamba

Answer:

            4.36 g of Carbon

Solution:

Step 1: Calculate the %age of Carbon in given Solid as;

                        Mass of Carbon  =  35.8 g

                        Mass of Hydrogen  =  3.72

                        Total Mass  =  35.8 g + 3.72  =  39.52 g

                        %age of Carbon  =  (35.8 g ÷ 39.52 g) × 100

                        %age of carbon  =  90.58 %

Step 2: Calculate grams of Carbon in 4.82 g of given solid as;

                        Mass of Carbon  =  4.82 g × (90.58 ÷ 100)

                        Mass of Carbon  =  4.36 g

3 0
3 years ago
a technician mixes 80 ml of a 5% solution with 10 ml of water. what is the final percentage strength of the solution prepared?
Vinvika [58]

A technician mixes 80 ml of a 5% solution with 10 ml of water.  the final percentage strength of the solution prepared is 40 %.

given that :

8 ml of a 5 % solution mix with 10 ml . that means the 80 mL of 5 % solution is diluted with water of 10 mL

therefore, 80 × 5 = 10 × x %

x % = 40 %

Therefore, the final percentage strength of the solution is 40 %

Thus, A technician mixes 80 ml of a 5% solution with 10 ml of water.  the final percentage strength of the solution prepared is 40 %.

To learn more about percentage strength here

brainly.com/question/17130362

#SPJ4

5 0
1 year ago
Which of the following examples describes an increase in potential energy? Question 1 options: a basketball falling through a ne
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Paint being carried up a ladder
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Give another mixture of liquids that is separated on an industrial scale by fractional
iren [92.7K]

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dna or diabeties can be separated

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What is one group of people or animals that are impacted by ocean acidification?
ki77a [65]

Answer:

Impacts on Ocean Life

Coral Reefs.

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Zooplankton.

Plants and Algae.

Fish.

Explanation:

6 0
3 years ago
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