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frez [133]
3 years ago
10

Explain sp hybridization in acetylene molecule? Dr

Chemistry
1 answer:
Nikolay [14]3 years ago
6 0
This is very confusing
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1. How many hydrogen atoms are in 5 molecules of isopropyl alcohol, C3H7O
Gekata [30.6K]
1. c. 35
2. <span>d. 1.26 x 10^24 molecules 
3. </span><span>d. 303.6 g</span> 
8 0
3 years ago
Read 2 more answers
A liquid-fueled rocket engine has two liquids, usually called the fuel and the oxidizer. Which two liquids are most commonly use
hammer [34]

Answer:

A liquid-fueled rocket has two liquids (liquids are good because of the density, they need less space than a gas to be stored), such that these liquids are called the fuel and the oxidizer.

These liquids are injected into a system that leads to a combustion chamber, where the liquids are mixed (we need to mix the fuel with the oxidizer to enable the combustion of the fuel) and burned to produce thrust.

Some common examples of oxidizers are liquid oxygen, which may be combined with fuels like liquid hydrogen, liquid methane, kerosene and hydrazine.

Other oxidizers are liquid fluorine (which also can be combined with the fuels liquid hydrogen and hydrazine), nitrogen tetroxide (which can be combined whit kerosene, hydrazine and other fuels) and FLOX-70, which can only be combined with kerosene.

The "most commonly used" may depend on the country and the type of liquid propellant ( petroleum, cryogens, and hypergols)

Such that the most common oxidizer may be liquid oxygen, and the most common fuel the kerosene.

8 0
3 years ago
Which of the following will affect the rate of a chemical reaction?
dimulka [17.4K]

Answer:

Solute concentration will afect the rate of a chemical reaction, because you must work with molarity

Explanation:

I think that solute mass may be it can affect the rate of reaction, if you have more mass in a solute, you will also have more moles.

If you want to know more, you have to consider temperature in the reaction and the  presence of catalysts. They all, affect reactions.

7 0
3 years ago
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What is produced/made when our food is burned? ____________ + ____________ + __________ *
Pavel [41]

Answer:

do you have any vocabulary to help you with this or no

3 0
3 years ago
A balloon filled with air has a volume of 6.50 L, a pressure of 0.900 atm, and a temperature of 25.0oC. If it is left out overni
kari74 [83]

Answer:

4.92 L

Explanation:

Rearrange ideal gas law and solve.

Change C to K.

- Hope that helps! Please let me know if you need further explanation.

8 0
3 years ago
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