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3 years ago

Which of the following solutions can be used to neutralize nitric acid?

2 answers:

8 0

Ca(OH)2. It ends in OH, therefore it is a base. If you mix an acid and a base, they neutralize each other and produce a salt and a water.

Sladkaya [172]3 years ago

3 0

Answer:

The correct answer is calcium hydroxide, $Ca(OH)_2$ .

Explanation:

Acids are neutralize by alkaline that basic solution or by base. So,in order to neutralize nitric acid we will need an alkaline solution.

From the given options the alkaline solution is of calcium hydroxide.

$HNO_3(aq)+Ca(OH)_2(aq)\rightarrow+ H_2O(l)+Ca(NO_3)_2(aq)$

Where as hydrochloric acid is an acid, water is neutral liquid and lemon juice is also an acidic solution which contains citric acid.

The correct answer is calcium hydroxide.

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2. In the reaction H2(g) + b(0) + 2HI(), there are equilibrium partial pressures of PH, = 13.0 MPa, P = 11.7 MPa and Phi = 66.6

Brrunno [24]

Answer:

Equilibrium constant is equal to $29.162$

Explanation:

If the reaction is of this form

aA(g) + bB(g) ⇄ cC(g) + dD(g)

Then , the Kp of this equation will be equal to

$K_p =\frac{P_C^cP_D^d}{P_B^bP_A^a}$

Given

$P_c =$ $66.6$ MPa and c is equal to two

$P_A = 13.0$ MPa

$P_b = 11.7$ MPa

Here a and b is equal to zero.

Substituting the given values we get -

$K_p = \frac{66.6^2}{13*11.7}\\K_p = 29.162$

Equilibrium constant is equal to $29.162$

3 0

4 years ago

Calculate the percent yield of (4-chlorophenyl)bis(4-methoxyphenyl)methanol if the actual isolated mass is 0.15 g.

laila [671]

Answer:

This question is incomplete

Explanation:

This question is incomplete. However, in order to calculate the percentage yield of an extraction/isolation, the formula to be used is below

percent yield = isolated mass/total mass × 100

The mass of the yield (which can also be referred to as isolated mass) was provided to be 0.15 g but the total mass of the (4-chlorophenyl)bis(4-methoxyphenyl)methanol was not provided.

In the completed question that has the total mass or the values to obtain the total mass, the formula mentioned earlier should be used.

4 0

3 years ago

Write the skeleton equation for the reaction between hydrochloric acid (HCl) and zinc. The products are hydrogen gas and zinc ch

skelet666 [1.2K]

Answer:

HCl + Zn = H2 + ZnCl2

Explanation:

(pretend the = is the arrow thing)

4 0

2 years ago

The radius of a uranium atom is 149 pm. How many uranium atoms would have to be laid side by side to span a distance of 4.96 mm?

nikitadnepr [17]

Answer:

4960000000 pm

Explanation:

4.96*1000000000= 4960000000

4 0

3 years ago

Read 2 more answers

What does it mean if an element is isoelectronic?

jeka57 [31]

Question: What does it mean if an element is isoelectronic?

Answer: Isoelectronic is a term to describe a group of atoms or ions having the same number of electrons

Explanation: they are both the same because they bot have the same number of protons in each atom and they both will have the same always not diffrent its gonna have the same number

question answered by

(jacemorris04)

5 0

3 years ago