3 years ago

Which is a characteristic of the polar water molecule?

Chemistry

1 answer:

zaharov [31]3 years ago

8 0

Answer:

A tetrahedral electron domain geometry with covalent bonded atoms.

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The half-life of carbon-14 is about ____________ years. Fill in the blank.

katrin2010 [14]

The half-life of carbon-14 is about 5730 years

5 0

2 years ago

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1. What are the possible genotypes of offspring when crossing BB, Bb parents?

marissa [1.9K]

Answer:

1, C: BB, Bb, Bb, BB

2. C: Hybrid

Explanation:

1. If u do a punnet square for BB and Bb you will get: BB, Bb, Bb, Bb

B| B|

B| BB. BB

b| Bb Bb

2. You do a punnet square for BB and bb and you'll get: Bb, Bb, Bb, Bb, which means all the children are hybrids of Dominant alleles ans recessive alleles

B  B

b| Bb Bb

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3 years ago

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Bacteria consume other organisms for food, making them heterotrophs. True or False?

11111nata11111 [884]

Answer:

I would say true!

Explanation:

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3 years ago

Which of these is NOT a colloid?

SVETLANKA909090 [29]

Answer:C

Explanation:

Mountain Dew soda is not a colloid

8 0

3 years ago

What are the moles of gas are in a 30 liter scuba canister if the temperature of the canister is 300 K and the pressure is 200 a

Lady_Fox [76]

Answer:

$n = 243.605$

Explanation:

Given

$Pressure, P = 200\ atm$

$Temperature, T = 300k$

$Volume, V = 30L$

Required

Calculate the number of moles

We'll apply the following formula to solve this question

$n = \frac{pV}{RT}$

Where

$R = 0.0821 L\ atm/(mol\ K)$

The above equation is an illustration of the ideal gas law

Substitute values for p, V, R and T in:

$n = \frac{pV}{RT}$

$n = \frac{200 * 30}{0.0821 * 300}$

$n = \frac{6000}{24.63}$

$n = 243.605$

Hence, there are 243.605 moles

7 0

3 years ago