2 years ago

(pls help !!) question is in image

Chemistry

1 answer:

Anastaziya [24]2 years ago

6 0

Answer:

the second option is correct

Explanation:

maybe I think b is correct

You might be interested in

Which type of energy would most likely create the worst environmental disaster from an accident or spill?

rewona [7]

Answer:

nuclear energy

Explanation:

6 0

3 years ago

Forests are the only carbon sinks on Earth. Please select the best answer from the choices provided T F

dmitriy555 [2]

False, as oceans can act as carbon sinks along with forests.

4 0

3 years ago

Read 2 more answers

Under identical conditions, separate samples of O2 and an unknown gas were allowed to effuse through identical membranes simulta

Vilka [71]

Answer:

147.2g

Explanation:

The full solution can be found in the image attached. Graham's law was applied to the problem. The rate of diffusion of a gas is inversely proportional to its molar mass or vapour density. Molar mass= 2vapour density

8 0

3 years ago

6. We have many vestigial structures that are similar to structures on modern day chimpanzees. How can we

ollegr [7]

Answer:

pineal body is a vastigious structure which signifies same origin of chimpanzee and modern man

Explanation:

5 0

3 years ago

Assume the recommended single dose of an antihistamine for a child weighing between 18-23 lbs is 0.75 teaspoons (tsp). if 1.00 t

blagie [28]

We are given that 1 teaspoon is equivalent to 5 mL, therefore 0.75 teaspoon is:

0.75 teaspoon * (5 mL / 1 teaspoon) = 3.75 mL

So the mass is density times volume:

mass = (12.5 mg/5 ml) * 3.75 mL

7 0

3 years ago

Read 2 more answers