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3 years ago

What is creation in terms of chemical reactions?

Chemistry

1 answer:

shtirl [24]3 years ago

7 0

Answer:

Products

Explanation:

In a chemical reaction, the atoms and molecules produced by the reaction are called products

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Question 4 of 10

frez [133]

Answer: D. Slow down the chain reaction by absorbing free neutrons

Explanation: just got it right on the quiz A P E X

3 0

2 years ago

Nitrogen (N) has an atomic number of 7 and an atomic mass of 14. Which of the following correctly shows the electron arrangement

bonufazy [111]

Answer:

2, 5

Explanation:

3 0

2 years ago

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In an experiment, the molar mass of the compound was determined to be 118.084 g/mol. What is the molecular formula of the compou

pishuonlain [190]

Answer:

Succinic acid

Explanation:

The most common possibility is succinic acid

As it has decimals after whole no till hundredth it contains OH and C in most of the cases .

Let's check for succinic acid

C4H_6O_6
4(12)+4(16)+6
64+48+6
118u

Yes approximately equal

Molecular formula is.

(CH_2)_2(CO_2H)_2

3 0

2 years ago

At 20°C the vapor pressure of benzene (C6H6) is 75 torr, and that of toluene (C7H8) is 22 torr. Assume that benzene and toluene

valina [46]

Answer: The mole fraction of benzene will be 0.34 and mole fraction of toluene is 0.66

Explanation:

According to Raoult's law, the vapor pressure of a component at a given temperature is equal to the mole fraction of that component multiplied by the vapor pressure of that component in the pure state.

$p_1=x_1p_1^0$ and $p_2=x_2P_2^0$

where, x = mole fraction in solution

$p^0$ = pressure in the pure state

According to Dalton's law, the total pressure is the sum of individual pressures.

$p_{total}=p_1+p_2\\$ $p_{total}=x_{benzene}p_{benzene}^0+x_{toluene}P_{toluene}^0$

$x_{benzene}=x$ ,

$x_{toluene}=1-x_{benzene}=1-x$ ,

$p_{benzene}^0=75torr$

$p_{toluene}^0=22torr$

$p_{total}=40torr$

$40=x\times 75+(1-x)\times 22$

$x=0.34$

Thus (1-x0 = (1-0.34)=0.66

Thus the mole fraction of benzene will be 0.34 and that of toluene is 0.66

8 0

3 years ago

When she dropped a rock into a graduated cylinder of water, Veronica noticed it sank to the bottom. She decided to investigate w

Romashka [77]

A is correct. water is incompressible, so it will always have the same density, regardless of volume

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3 years ago

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