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Readme [11.4K]
3 years ago
9

Bridget performed an investigation to determine if a television set transformed electrical energy into other types of energy. Sh

e recorded her observations in a table.
What statement best describes the results?


Question Observation
Does it transform into heat energy? Yes
Does it transform into light energy? Yes
Does it transform into sound energy? Yes
Does it transform into energy of motion? No




1 A television transforms electrical energy into heat and light energy.
2 Electrical energy transforms into more than one type of energy.
3 Sound energy is transformed from heat and light energy.
4 You can transform electrical energy into energy of motion.


all my points if u answer themmm
Chemistry
1 answer:
pantera1 [17]3 years ago
3 0

Answer:

Bridget performed an investigation to determine if a television set transformed electrical energy into other types of energy. She recorded her observations

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D= M/V so, D=300/40 wich is 7.5 so D= 7.5g/m3
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Determine if the results of the following word problem adhere to the Law of Conservation of Mass. 1. A chemist combines 4.9 g of
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Answer: The results agree with the law of conservation of mass

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Answer:

d.have a mass of 1 amu..

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2 years ago
Calculate the molarity of each of the following solutions. Use the periodic table if necessary.
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Read 2 more answers
What is the molarity of a nitric acid solution if 43.13 mL 0.1000 M KOH solution is needed to neutralize 30.00 mL of the acid so
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Answer:

0.144M

Explanation:

First, let us write a balanced equation for the reaction. This is illustrated below:

HNO3 + KOH —> KNO3 + H20

From the equation,

nA = 1

nB = 1

From the question given, we obtained the following:

Ma =?

Va = 30.00mL

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Vb = 43.13 mL

MaVa / MbVb = nA/nB

Ma x 30 / 0.1 x 43.13 = 1

Cross multiply to express in linear form

Ma x 30 = 0.1 x 43.13

Divide both side by 30

Ma = (0.1 x 43.13) /30 = 0.144M

The molarity of the nitric acid is 0.144M

8 0
3 years ago
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