2 years ago

How are electric fields different from gravitational fields?

Chemistry

1 answer:

Anni [7]2 years ago

5 0

Yes, using the method of pemdas can reroute the gps

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Lilit [14]

I don't know what ur asking

3 0

3 years ago

How many moles of oxygen gas (O2) are required to completely react with 10 moles of hydrogen gas (H2)?

Brums [2.3K]

Answer:

5 moles of oxygen are required.

Explanation:

Given data:

Moles of O₂ required = ?

Moles of H₂ present = 10 mol

Solution:

Chemical equation:

O₂ + 2H₂ → 2H₂O

Now we will compare the moles of oxygen and hydrogen.

H₂ : O₂

2 : 1

10 : 1/2×10 = 5 mol

5 moles of oxygen are required.

3 0

2 years ago

What is the momentum of a 0.01 kg toy car moving at 5.0 m/s?

snow_tiger [21]

Answer: 0.05 kgm/s

Explanation:

8 0

2 years ago

(pls help !!) question is in image

Anastaziya [24]

Answer:

the second option is correct

Explanation:

maybe I think b is correct

6 0

1 year ago

Balance and find out the coefficients of reactions and products

kolezko [41]

Answer:

2, 1, 1, 4.

Explanation:

Hello there!

In this case, for the given chemical reaction:

$H_2SO_4+Pb(OH)_4\rightarrow Pb(SO_4)_2+H_2O\\$

We can see how there is one SO4 on the left and two on the right, thus, we add a 2 in front of H2SO4:

$2H_2SO_4+Pb(OH)_4\rightarrow Pb(SO_4)_2+H_2O\\$

Next, since there are 8 atoms of hydrogen on the left and two on the right, we add a 4 in front of H2O to obtain:

$2H_2SO_4+Pb(OH)_4\rightarrow Pb(SO_4)_2+4H_2O\\$

Which is now balanced so the coefficients 2, 1, 1, 4.

Best regards!

6 0

2 years ago