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Lemur [1.5K]
3 years ago
6

Name the fuel used in rockets​

Chemistry
1 answer:
garik1379 [7]3 years ago
4 0
In the combination with an oxidizer such as liquid oxygen, liquid hydrogen yields the highest specific impulse or efficiency in relation to the amount of propellant of any known rocket propellant
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Which is more soluble in basic solution than in pure water? co2 nacl agf agcn?
gtnhenbr [62]
<span>The more soluble in basic solution than in pure water is  co2. The only thing you should remember in order to solve tasks like this is that colorless gas </span><span>carbon dioxide is always dissolved in basic media. All the other options are more soluble in pure water than in basic solutions. </span>
4 0
3 years ago
Fill in the left side of this equilibrium constant equation for the reaction of nitrous acid (HNO_2) with water.
mafiozo [28]

Answer:

Ka=\frac{[H^+][NO_2^-]}{[HNO_2]}

Explanation:

The reaction

The reaction of nitrous acid with water is a dissociation reaction of an acid:

HNO_2(aq) + H_2O(l) \longrightarrow H^+(aq) + NO_2^-(aq) + H_2O(l)

HNO_2(aq) \longrightarrow H^+(aq) + NO_2^-(aq)

The Ka equation

Ka=\frac{[H^+][NO_2^-]}{[HNO_2]}

5 0
3 years ago
Read 2 more answers
A standard room temperature and pressure, most of the elements on the periodic table are
Maslowich

Answer:

Solids

Explanation:

At standard room temperature and pressure, most of the elements are solids.

Just a few of the elements are liquids and gases at this temperature.

The periodic table is made up of metals, metalloids and non-metals. Most of these substances are actually solid.

Some non-metals are gaseous at standard room temperature.

8 0
3 years ago
If temperature is increased , the number of collision per second
Tomtit [17]

Answer: increases

Explanation:

Increase in the temperature of a reaction system will cause the molecules of the reactants to possess higher kinetic energy which they would use to travel more randomly in the system, colliding more frequently with other excited molecules and with the wall of the containing vessel.

Thus, if temperature is increased, the number of collision per second also increases.

8 0
3 years ago
Compound A serves as a prodrug for the analgesic benzocaine. (A prodrug is a pharmacologically inactive compound that is convert
NemiM [27]

Answer:

The hydrolysis in aqueous HCl of compound A can lead to the formation of a carboxylic acid and an alcohol.

Explanation:

The picture shows the structures of compound A, benzoncaine and the possible products of the proposed reaction.

The acidic hydrolysis is the inverse of the esterification reaction. Therefore, the ester group of compund A will react to form the equivalent carboxylic acid and alcohol.

In order to form benzocaine, the hydrolysis happens in with the nitrile group.

3 0
3 years ago
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