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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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4.1.2 Quiz: What is scientific notation?

Eddi Din [679]

Answer:

D. Scientific notation is a way of writing large and small numbers

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2 years ago

To separate a mixture of iron filings and salt, the most efficient method would be

CaHeK987 [17]

Iron filings can be attracted by the magnet whereas salt can not. So the mixture can be separated by a magnet

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3 years ago

Read 2 more answers

Compare 1 mole of H2, 1 mole of O2, and 1 mole of F2. (a) Which has the largest number of molecules? Explain why. (b) Which has

AURORKA [14]

a) Answer:

Number of molecules in 1 mole

Explanation:

a) Whether we take any of the substance among all three of the given substances they will have the same number of molecules in 1 mole of the substance is considered and the value for this will be $6.023 x 10^23$

b) Answer:

In the given question mass of the substance which is greatest is asked for one mole and we also know that mass of one mole is given by molar mass.

Explanation:

b) It is known that $31.98g/mol$ is the molar mass for oxygen which is greater than that of hydrogen while fluorine has a molar mass of $38.0 g/mol$ which on comparison shows that, it is the highest amongst all three.

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3 years ago

Which of the following contains a nonpolar covalent bond? O2 CO NaCI HF

jasenka [17]

Answer: The nonpolar covalent bond happens in an O₂ molecule.

Explanation: Nonpolar bonds happen where there's no difference between the polarity of the atoms involved. This usually happens when the same atoms bond to each other, which explains why the O₂ molecule is the one who has this bond.

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3 years ago

Could someone help me with this?

Varvara68 [4.7K]

Solving part-1 only

KMnO_4

Transition metal is Manganese (Mn)

Actually it's the oxidation number of Mn

Let's find how?

$\\ \tt\Rrightarrow x+1+4(-2)=0$

$\\ \tt\Rrightarrow x+1-8=0$

$\\ \tt\Rrightarrow x-7=0$

$\\ \tt\Rrightarrow x=+7$

x is the oxidation number

Purple as per the color of potassium permanganate

$\boxed{\begin{array}{c|c|c}\boxed{\bf Tube} &\boxed{\bf Charge} &\boxed{\bf No\:of\; electrons\: loss}\\ \sf 2 &\sf +6 &\sf 6e^-\\ \sf 3& \sf +2 &\sf 2e- \\ \sf 4 &\sf 4 &\sf 4e^-\end{array}}$

7 0

2 years ago