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Mumz [18]
3 years ago
7

Please help on 44. /45./ 46./47,

Chemistry
1 answer:
Aleonysh [2.5K]3 years ago
4 0
The only one that I can do without google is 47. Sorry that I can't answer the others. The answer to 47 is this: you know that the western side of the hill has the steepest slope because the ovals showing altitude are way closer together. The closer the circles/ovals are, the steeper the slope is.

Sorry if this doesn't help much, but I answered what I could without cheating.

Foxeslair
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A Mole of elephants would weigh how much more than the moon? I got 6.301x10^23 and set the problem up like this: 6.022x10^23 x 2
Margaret [11]

Answer:

The Moon weighs about 7.349*10^22 kg

How much does “an elephant” weigh? Grown-up elephants vary between 1.7 tons (small wood elephant cow) and 6 tons (big African elephant bull). Let us pick 2.720 tons or 2720 kg as an average weigh one, this is valid for Asian elephants.

A mole of elephants weighs 6.022 * 10^23 x 2720 kg = 1.638 * 10^27 kg.

That is 1,638 * 10^27 / 7,349*10^22 = 22289 times more.

5 0
3 years ago
Can you please help
zysi [14]

Answer:

9.

a. NH2CH2COOH

b. The function group is what I put in bold.

c. carboxylic acid and amine

10.

a. NH2CH(CH3)COOH

b. The functional group is in bold.

c. carboxylic acid and amine

Explanation:

NH2 is amine (amino acid)

COOH is the carboxylic acid (acetic acid)

8 0
3 years ago
The gas that a diver breathes must be maintained at a partial pressure of 0.20 atm of oxygen. More oxygen could poison the diver
Nimfa-mama [501]

<u>Answer:</u> The partial pressure of helium gas is 0.80 atm

<u>Explanation:</u>

Dalton's law of partial pressure states that the total pressure of the system is equal to the sum of partial pressure of each component present in it.

To calculate the partial pressure of helium gas, we use the law given by Dalton, which is:

P_T=p_{He}+p_{O_2}

We are given:

Total pressure of the cylinder, P_T = 1.00 atm

Vapor pressure of oxygen gas, p_{O_2} = 0.20 atm

Putting values in above equation, we get:

1.00=p_{He}+0.20\\\\p_{He}=1.00-0.20=0.80atm

Hence, the partial pressure of helium gas is 0.80 atm

5 0
3 years ago
Consider the elements bromine and chlorine; which element has a larger ionic radius
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Bromine has one more electron shell than the chlorine atom making the radius larger than the chlorine atom.
8 0
3 years ago
Which statement describes compounds?
sveta [45]
Compounds are represented by chemical formulas
8 0
3 years ago
Read 2 more answers
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