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GREYUIT [131]
3 years ago
6

Can someone please help me with this !

Chemistry
1 answer:
SOVA2 [1]3 years ago
4 0

Answer: force velocity

Explanation:

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Which pair of atoms are isotopes ?
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protons but different number of neutrons.

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Write the following balanced chemical equations for the following reactions.
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3 years ago
Match the SI unit to the quantity it measures. second gram kelvin mole ampere meter candela kilogram nanosecond mass arrowRight
Gemiola [76]

SI unit- Quantity

second- time

kilogram- mass

kelvin- temperature

ampere- electric current

S.I. Unit of time is second.

S.I. Unit of mass is kilogram.

S.I. Unit of temperature is kelvin.

S.I. Unit of electric current is ampere.

So match will be as follows:

second- time

kilogram- mass

kelvin- temperature

ampere- electric current


8 0
3 years ago
What volume of argon gas is equal to 1.60 grams of argon
Novosadov [1.4K]

Answer:

0.908 L.

Explanation:

  • Firstly, we should calculate the number of moles of 1.60 g argon.
  • n of Ar = mass / molar mass of Ar = (1.60 g) / (39.948 g/mol) = 0.04 mol.
  • |t is established  and known that the molar volume of a gas at STP (Standard Temperature and Pressure) is equal to 22.4 L for 1 mole of any ideal gas at a temperature of 273.15 K and a pressure of 1.00 atm.

<u><em>using cross multiplication:</em></u>

1.0 mole of Ar gas will occupy → 22.7 L

0.04 mole of Ar gas will occupy → ??? L

∴ The volume  occupied by Ar = (0.04 mole) (22.7 L) / (1.0 mole) = 0.908 L.


6 0
3 years ago
Read 2 more answers
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