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3 years ago

Consider the reaction below.

Chemistry

2 answers:

skelet666 [1.2K]3 years ago

8 0

D increase in temperature and increase in pressure.

telo118 [61]3 years ago

7 0

Answer : The correct option is, (D) Increase temperature and increase pressure.

Explanation :

Rate of reaction : Rate of reaction is the speed in which the reactants converted into the products.

As we know that the rate of reaction depends on many factors which are concentration of reactants, temperature, pressure, catalyst and the surface area.

As the temperature increases, the rate of reaction is also increases and vice-versa.

As we know that the the temperature is directly proportional to the pressure that means as the temperature increases, the pressure will also increases and the rate of reaction increases and vice-versa.

Hence, the correct option is, (D) Increase temperature and increase pressure.

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If two atoms are isotopes of the same element the atoms must have

kodGreya [7K]

Answer:

Same number of protons but different number of neutrons

Explanation:

Isotopy is a phenomena in which atoms of the same element differs by the number of neutrons in their nucleus. While it is important to note that they have the same number of protons and hence the same atomic number, they have different mass numbers.

They have the same atomic numbers because an element can only have one atomic number. Hence, all atoms of that element are composed of the same number of protons but different neutron numbers.

4 0

3 years ago

Read 2 more answers

The decomposition of water is used to show which of the following?

horsena [70]

Shows that water is a compound...
made up of 2 hydrogen atoms and 1 oxygen atom...=H2O...
decomposition of water is by electrolysis which splits the compound!
hope this helps!

4 0

3 years ago

Damian mixed two samples together: a

lesantik [10]

Answer:C

Explanation:

3 0

3 years ago

What is the molarity of a solution that contains 15.0g of naoh per 500.0 ml of solution

VARVARA [1.3K]

Answer:

0.4 M

Explanation:

Molarity is defined as moles of solute, which in your case is sodium hydroxide,

NaOH

, divided by liters of solution.

molarity

moles of solute

liters of solution

Notice that the problem provides you with the volume of the solution, but that the volume is expressed in milliliters,

Moreover, you don't have the number of moles of sodium hydroxide, you just have the mass in grams. So, your strategy here will be to

determine how many moles of sodium hydroxide you have in that many grams

convert the volume of the solution from milliliters to liters

So, to get the number of moles of solute, use sodium hydroxide's molar mass, which tells you what the mass of one mole of sodium hydroxide is.

⋅

1 mole NaOH

40.0

0.175 moles NaOH

The volume of the solution in liters will be

500

⋅

1 L

1000

0.5 L

Therefore, the molarity of the solution will be

0.175 moles

0.5 L

0.35 M

Rounded to one sig fig, the answer will be

0.4 M

8 0

3 years ago

Which of the following is a factor in natural selection?

Vera_Pavlovna [14]

Answer:

Explanation:

Although all of these answers are similar, it seems that all three are the answer. I am sorry if the answer ends up being B but I'm pretty sure the answer is D. Charles Darwin's evolution theory "evolved", get it, from the natural selection theory. The theory is described as "the process whereby organisms better adapted to their environment tend to survive and produce more offspring." However, some factors that effect natural selection are competition, selection and variation. I believe all three fit the answer and therefore I believe answer D is correct.

5 0

3 years ago

Read 2 more answers