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mixer [17]
3 years ago
7

You have 100. grams of potassium fluoride (KF). How many moles do you have? (1 mole KF = 58.09 g KF) *

Chemistry
1 answer:
alex41 [277]3 years ago
7 0

Answer:

I think its 1.72 (:

Explanation:

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Choose all of the secondary sources used by humans for energy !!
levacccp [35]

Answer:

Petroleum

Hydrocarbon gas liquids

Natural gas

Coal

Nuclear energy

Explanation:

These energy sources are called nonrenewable because their supplies are limited to the amounts that we can mine or extract from the earth. Coal, natural gas, and petroleum formed over thousands of years from the buried remains of ancient sea plants and animals that lived millions of years ago. That is why we also call those energy sources fossil fuels.

Most of the petroleum products consumed in the United States are made from crude oil, but petroleum liquids can also be made from natural gas and coal.

Nuclear energy is produced from uranium, a nonrenewable energy source whose atoms are split (through a process called nuclear fission) to create heat and, eventually, electricity. Scientists think uranium was created billions of years ago when stars formed. Uranium is found throughout the earth’s crust, but most of it is too difficult or too expensive to mine and process into fuel for nuclear power plants.

5 0
2 years ago
Aluminum Oxide is formed when aluminum combines with oxygen in the air. How many
aleksandr82 [10.1K]
I think it’s something like 29.95g, sorry if it’s wrong long i haven’t done this in so long
7 0
3 years ago
Consider the differences between organic and inorganic
ZanzabumX [31]

Answer: organic compounds has made up of  organic materials inorganic compounds are made up of inorganic materials.

organic compounds make good electrolytes

inorganic compounds exhibit ionic bonding

organic compounds lower melting points

Explanation:

6 0
4 years ago
Which list accurately identifies the hierarchy of space from smallest to largest?
luda_lava [24]
The correct answer should be C
7 0
3 years ago
Read 2 more answers
Under the right conditions aluminum will react with chlorine to produce aluminum chloride.
salantis [7]

Answer:

m_{Al}=9.42gAl

Explanation:

Hello there!

In this case, according to the given chemical reaction:

2 Al + 3 Cl2 --> 2 AlCl3

Whereas there is a 2:3 mole ratio of aluminum to chlorine; it will be possible for us to calculate the required grams of aluminum by using the equality 22.4 L = 1 mol, the aforementioned mole ratio and the atomic mass of aluminum (27.0 g/mol) to obtain:

m_{Al}=11.727LCl_2*\frac{1molCl_2}{22.4LCl_2}*\frac{2molAl}{3molCl_2}  *\frac{27.0gAl}{1molAl} \\\\m_{Al}=9.42gAl

Regards!

8 0
3 years ago
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