3 years ago

An organic molecule is likely to contain all of these elements except: Answer C H O Ne N

Chemistry

1 answer:

eimsori [14]3 years ago

8 0

Organic molecules typically do not contain the noble gases, so they would contain all but Ne

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What volume of 12 M HCl solution is needed to make 2.5 L of 1.0 M HCI?

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Explanation:

CV=CV

(12)(x)=(1.0)(2.5)

x=0.21

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4 years ago

According to the kinetic theory of motion everything is made of particles and all particles are?

melisa1 [442]

All particles are in motion.

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3 years ago

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tankabanditka [31]

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How many liters are in 3.45 moles of oxygen gas at STP?

just olya [345]

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or you can use PV=nRT

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3 years ago

A piece of metal with a mass of 611 g is placed into a graduated cylinder that contains 25.1 ml of water, raising the water leve

jeka94

Mass of metal piece is 611 g and volume of graduated cylinder is 25.1 mL. When metal piece is placed in the graduated cylinder water level increases to 56.7 mL. The increase in volume is due to volume of metal piece that gets added to the volume of water.

Thus, volume of metal piece can be calculated by subtracting initial volume from the final one.

$V_{metal}=V_{final}-V_{initial}=(56.7-25.1)mL=31.6 mL$

Thus, volume of metal piece will be 31.6 mL. The mass of metal piece is given 611 g, density of metal can be calculated as follows:

$d=\frac{m}{V}=\frac{611 g}{31.6 mL}=19.33 g/mL$

Therefore, density of metal is 19.33 g/mL.

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3 years ago