Ask question

Ask question

All categories

andreyandreev [35.5K]

3 years ago

12

it was believed that earth was a stationary object at the center of the universe all other objects in space without to go around

earth which of these is a criticism of this idea

1 answer:

ehidna [41]3 years ago

8 0

Answer: is that a question or

Explanation:

You might be interested in

When may a scientific theory be revised?

Anika [276]

Answer:

it can be revised at any time.

Explanation:

6 0

3 years ago

Read 2 more answers

Why do we crush solids before putting them into a solvent

ahrayia [7]

So that they will mix in better, or more easily. However you want to say it.

7 0

3 years ago

Work done after rutherford's gold foil experiment demonstrated that the nucleus contained ________.

shutvik [7]

Protons and neutrons

hope this helps

5 0

3 years ago

PLEASE<br> What is the H30+ concentration of a solution with a pH of 3?

Alenkinab [10]

PH = -log[H3O+]
Solving for [H3O+] gives
[H3O+] = 10^-pH
= 10^-3
or 1x10^-3 M

4 0

3 years ago

Calculate the pH of a 0.010 M NaNO2 solution.

ryzh [129]

Answer:

Calculate the pH of 0.010 M HNO2 solution. The K, for HNO2 is 4.6 x 104

Answer: pH = 2.72

3 0

2 years ago