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Oksana_A [137]
3 years ago
9

A 94 kg zebra is traveling 12 m/s east. What is the zebra’s momentum?

Chemistry
1 answer:
ss7ja [257]3 years ago
4 0
1128 is the momentum for this. i think
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Which of the following statements about gamma rays are TRUE? I. Gamma rays have low energy II. Gamma rays are a form of light. I
OverLord2011 [107]

Answer:

the third one

Explanation:

6 0
3 years ago
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One gram of liquid benzene is burned in a bomb calorimeter. The temperature before ignition was 20.826 C, and the temperature af
Licemer1 [7]

Answer:

fH = - 3,255.7 kJ/mol

Explanation:

Because the bomb calorimeter is adiabatic (q =0), there'is no heat inside or outside it, so the heat flow from the combustion plus the heat flow of the system (bomb, water, and the contents) must be 0.

Qsystem + Qcombustion = 0

Qsystem = heat capacity*ΔT

10000*(25.000 - 20.826) + Qc = 0

Qcombustion = - 41,740 J = - 41.74 kJ

So, the enthaply of formation of benzene (fH) at 298.15 K (25.000 ºC) is the heat of the combustion, divided by the number of moles of it. The molar mass od benzene is: 6x12 g/mol of C + 6x1 g/mol of H = 78 g/mol, and:

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n = 0.01282 mol

fH = -41.74/0.01282

fH = - 3,255.7 kJ/mol

4 0
3 years ago
I NEED HELP ASAP !!!!!!!!!!!!!!!!!!!!!1
Karolina [17]

Answer:

true im pretttyyy sure

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bcuz the stronger the intermolecular forces the higher the boiling point :3

6 0
2 years ago
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Karolina [17]
Can you reword it im confused
6 0
2 years ago
Na2SO3" represents sodium sulfite. What does the 4 mean in the formula 4Na2SO3? There are four atoms of sodium. There are four a
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The designation "4" before Na2SO3 simply means that there are four molecules of sodium sulfite.

A molecule is formed when two or more atoms of the same or different elements come together. The formula of the molecule must reflect the number of atoms from which it is formed. The designation "4" before Na2SO3 simply means that there are four molecules of sodium sulfite.

The "The World on Turtle's Back" is a legend creation story. According to this story, the world was created on a giant turtle back. The folktale is common among the  Iroquois Native Americans.

Learn more: brainly.com/question/19922822

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2 years ago
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