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7nadin3 [17]
3 years ago
11

A Balanced Equation: The total amount of atoms involved in the chemical reaction changes depending on the reaction. True or fals

e?
Chemistry
2 answers:
Luba_88 [7]3 years ago
8 0
The answer is false

This is because
Stells [14]3 years ago
5 0
False is the answer



Hope this w
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4. Which of the following statements correctly describe atoms? Select all that apply.
mestny [16]

Answer:

A, B, and C

Explanation:

Atoms do in fact have mass! They are also the basic unit of a chemical element. Matter is in fact made of atoms, but atoms do not take up space.

Atoms are filled with empty space, excluding it out from the rest of the answers.

So yes, A, B, and C should be the correct answers

6 0
3 years ago
What kind of molecule is depicted here?
mina [271]

Explanation:

Methane molecule is depicted here

3 0
3 years ago
Read 2 more answers
A chemical substance that increases the reaction rate and lowers the activation energy needed to start a reaction is
Elza [17]
A catalyst lowers the activation energy needed to start a reaction
4 0
3 years ago
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3<br> Convert 5.492 x 104 grams to units of micrograms.<br> (Click to select 4<br> x 10<br> ug
Soloha48 [4]

Answer:

5.492*10^10

Explanation:

1g=1000000microgram

3 0
3 years ago
A 200.-milliliter sample of CO2(g) is placed in a sealed, rigid cylinder with a movable piston at 296 K and 101.3 kPa. Determine
bagirrra123 [75]

Answer:

The final volume of the sample of gas V_{2} = 0.000151 m^{3}

Explanation:

Initial volume V_{1} = 200 ml = 0.0002 m^{3}

Initial temperature T_{1} = 296 K

Initial pressure P_{1} = 101.3 K pa

Final temperature T_{2} = 336 K

Final pressure P_{2} =  K pa

Relation between P , V & T is given by

P_{1} \frac{V_{1} }{T_{1} } = P_{2} \frac{V_{2} }{T_{2} }

Put all the values in the above equation we get

101.3 (\frac{0.0002}{296} )= 152 (\frac{V_{2} }{336} )

V_{2} = 0.000151 m^{3}

This is the final volume of the sample of gas.

4 0
4 years ago
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