when you look at the ground, you seem to be at rest. Why is this? Why does someone in space see you moving in a circle?

Answers

Answer 1
Answer: Gravitation law is the reason to it

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#11.) When iron rusts in air, iron(III) oxide is produced. How many moles of oxygen react with 77.4 mol of iron in the rusting reaction?4Fe(s) + 3O2(g) → 2Fe2O3(s)

Select one:
a. 58
b. 100
c. 77
d. 120

#13.) For the reaction CH4 + 2O2 → CO2 + 2H2O, how many moles of carbon dioxide are produced from the combustion of 161.0 g of methane?

Select one:
a. 10.03
b. 20.06
c. 2584
d. 3.351

Answers

Answer 1)Option A) 58.05


In the given reaction of iron forming rust when reacts with the oxygen.


4 Fe_((s)) + 3O_(2)_((g) ----> 2Fe_(2)O_(3)_((s))


We can clearly see that, 4 moles of iron reacts with 3 moles of oxygen to give 2 moles of iron oxide.


So 4 Fe : 3 O and 77.4 moles of Fe : x moles of O


(3 X 77.4) / 4 = 58.05


So when we solve we get x as 58.05.


Hence the no. of moles of oxygen will be 58.


Answer 2) Option A) 10.03


The number of moles of carbon dioxide produced when 161.0 g of methane undergoes combustion will be 10.03


as we know the molar mass of methane is 16.043g


As we can see in the reaction the mole ratio is 1:1;


1 mole of methane produces 1 mole of carbondioxide.


So, 161 g / 16.043 g = 10.03 moles of Carbon dioxide.

Combustion reaction all follow a similar pattern, complete the work equation below Hydrocarbon + ... ---> Carbon... + ....

Answers

Hydrocarbon + Oxygen    →    Carbon dioxide + Water

True or False?
A strong acid is safe as long as it's in a dilute solution

Answers

It should be true because a dilute solution is a mixture that has only a little solute dissolved in a certain amount of solvet.So true 
true.(i think) if I'm wrong ask a friend who knows

How many orbitals does the n = 4 shell have?
DONE

Answers

There are 16 orbitals in n = 4 shells

Answer:

16

Explanation:

The anticodon is the three-base code on the tRNA molecule that binds to the codon on mRNA. What is the associated codon for the anticodon CUA?The anticodon is the three-base code on the tRNA molecule that binds to the codon on mRNA. What is the associated codon for the anticodon CUG?

Answers

so it would be the complimentary base pairing, meaning that the codon must have been:
GAC
(Which is the codon for aspartic acid)
It would be GAT for the first one and GAC for the second.

imagine a computer monitor powered by electricity that has been generated by a wind turbine. Describe the types of energy involved

Answers

The computer monitor powered by electricity that has been generated by a wind turbine involves several types of energy.

The types of energy involved are as follows:

1. Kinetic energy:The blades of the wind turbine rotate and move due to the force of the wind. This motion or movement of the blades is referred to as kinetic energy.

2. Mechanical energy:The kinetic energy of the wind is converted into mechanical energy as the blades of the wind turbine rotate. This mechanical energy is then transferred to a generator which converts it into electrical energy.

3. Electrical energy:The mechanical energy from the wind turbine is converted into electrical energy by the generator. This electrical energy is then transferred to the computer monitor via electrical wires.

4. Potential energy:As the wind turbines blades move, they gain potential energy. The potential energy is the energy that an object has due to its position or condition. The blades of the wind turbine gain potential energy as they move higher and higher due to the wind force. This potential energy is converted into kinetic energy as the blades rotate.

Thus, there are 4 types of energy involved in computer monitor powered by electricity that has been generated by a wind turbine.

Learn more about energy,here:

brainly.com/question/1932868

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Answer:

Kinetic energy!

Explanation:

wind turbines make Kinetic energy!