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Anastasy [175]
3 years ago
14

I'll mark brainliest!! :)

Chemistry
1 answer:
Viefleur [7K]3 years ago
3 0
I believe the answer is C, AgBr. I hope this helps
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True or False: Electrons in each lower level are filled before electrons fill
ale4655 [162]

the answer is 1....true

5 0
3 years ago
When the amount of oxygen is limited, carbon and oxygen react to form carbon monoxide. How many grams of CO can be formed from 3
Alinara [238K]

<u>61.25 grams</u> of CO can be formed from 35 grams of oxygen.

The molecular mass of oxygen is <u>16 gmol⁻¹</u>

The molecular mass of carbon monoxide is<u> 28 gmol⁻¹</u>

Explanation:

The molar mass of carbon monoxide is molar mass of C added to that of O;

12 + 16 = 28

= 28g/mol

The molar mass of oxygen is 16 g/mol while that of oxygen gas (O₂) is 32 g/mol

Since the ration oxygen to carbon monoxide is 1: 2 moles, we begin to find out how many moles of carbon monoxide are formed by 35 g of oxygen;

35/32 * 2

= 70/32 moles

Then multiply by the molar mass of carbon monoxide;

70/32 * 28

= 61.25 g

4 0
3 years ago
A piece of metal with a mass of 142 g is placed in a 50 mL graduated cylinder. The water level rises from 20 mL to 40 mL. What i
zheka24 [161]

Explanation:

The end goal of this question is to find density. Density can be found using the following formula:

D=m/v

D=Density

m=mass

v=volume

Therefore we need mass and volume to find density. Mass is already given in the question as 142g. All we have left is volume. When a solid is placed in water in a graduated cylinder the volume goes up. This means if you subtract the volume after the metal was placed from before it was placed, you can find the volume of the metal. Therefore the volume of the metal is 40mL-20mL=20mL. However typically, volume is found in liters so the volume should be .04L-.02L=0.02L. Now that we have volume and mass we can find density using the formula d=m/v. So 142/.02=7,100 grams per liget or 7.1 kilograms per liter. This answer seems unrealistic so I would double check with your teacher about the question.

Hope I helped, 2Trash4U

5 0
3 years ago
_____NaNo3+______PbO-_____Pb(No3)2+__Na2O
klio [65]

Answer:

2NaNO3+1PbO=1Pb(NO3)2+1Na2O

Explanation:

My chem teacher always had us make a T-chart for products and reactants on both sides to help you figure out balancing equations

4 0
3 years ago
What is the answer for O2 + C5H12O2 →?
ladessa [460]

Answer:

25.76

Explanation:

8 0
2 years ago
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