3 years ago

Write a balenced chemical equation for the reaction: include abbreviation for the physical states-

Chemistry

1 answer:

WITCHER [35]3 years ago

4 0

Answer:

MgBr(aq) + (NH4)3PO4(aq) -------> NH4Br(aq) + Mg3(PO4)2(s)

Explanation:

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59 Q.No. 28 b Hydrogen peroxide can act as oxidizing as well as reducing agent with example.

professor190 [17]

Answer:

Hydrogen peroxide can function as an oxidizing agent as well as reducing agent.

H2O2 act as oxidizing agent in acidic medium.

Explanation:

Example : 2FeSO4 +H2SO4 +H2O2 —>

(ferrous sulphate)

Fe2(SO4)3 +2H2O

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2 years ago

Which element in period 3 has three times the electronegativity value compared to that of li in period 2

victus00 [196]

Answer:

Nitrogen

Explanation:

Elements in period two includes lithium, beryllium, boron, carbon, nitrogen, oxygen, fluorine and neon.

According to periodic trends, the electro negativity values are expected to increase across the period up to fluorine. Hence, as we go right wards, we encounter elements with higher electronegative values.

While lithium has an electronegative value of 1 , the electronegative value of element nitrogen is thrrr times this which is equal to three

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Delvig [45]

Gravity is nest described as the attractive force that acts between any two objects on earth

Explanation:-

Gravity was found by Sir Eizak Newton
It has formula given by

$\\ \rm\Rrightarrow F=G\dfrac{Mm}{r^2}$

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The substance which does the dissolving in a solution is

oksano4ka [1.4K]

Answer:

solvents dissolve in liquids

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Select the correct answer. Why does every chemical reaction require a certain amount of activation energy? A. Energy is released

horsena [70]

Answer:

The answer is: B. Energy lost to the environment during the reaction must be replaced.

Explanation:

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