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Nat2105 [25]
3 years ago
13

Why do polar bonds form?

Chemistry
1 answer:
Nata [24]3 years ago
3 0

Answer:

This occurs when one atom has a higher electronegativity than the atom it is sharing with.

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A car with a mass of 3700kg. accelerates at a rate of 8.0 m/s^2 in the backward direction. What is the net force acting on the c
Digiron [165]

Answer:

300

Explanation:

bcuz why not

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Firlakuza [10]

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a

Explanation:

3 0
3 years ago
7) How many grams of HCl will be produced with 16.2 grams of H2 and excess Cl2? H2 + Cl2 -> 2HCl
Westkost [7]

Use the atomic weights of H and Cl to calculate the answer to question 7. For H, it is 1. For Cl it is 35.45.

<span>The ratio of H to Cl in HCL is 1:1. Therefore, 16.2 grams of H means that there will be 16.2 * 35.45 grams of Cl within the resulting HCl. Therefore, the grams of HCl will be 16.2 grams + 574.29 grams = 590.5 grams of HCl</span>
8 0
3 years ago
A 0.610 m aqueous solution of kbr has a total mass of 75.0 g. what masses of solute and solvent are present?
Drupady [299]
To determine the masses of each component, we need to know the concentration first in terms of molality which is mol per mass of solution. Assuming the density of the solution is equal to that of water we would find:

molality = 0.160 mol KBr / L ( 1 L / 1 kg solution ) = 0.160 mol KBr / kg solution

mass KBr = 0.160 mol KBr / kg solution (.0750 kg solution ) ( 119 g KBr / mol KBr ) = 1.428 g KBr

mass solvent = 75 - 1.428 = 73.572 g water
8 0
3 years ago
Write the TOTAL IONIC EQUATION between zinc and hydrochloric acid.
Andreyy89

Answer : The net ionic equation will be,

Zn(s)+2H^+(aq)\rightarrow Zn^{2+}(aq)+H_2(g)

Explanation :

In the net ionic equations, we are not include the spectator ions in the equations.

Spectator ions : The ions present on reactant and product side which do not participate in a reactions. The same ions present on both the sides.

The balanced ionic equation between zinc and hydrochloric acid will be,

Zn(s)+2HCl(aq)\rightarrow ZnCl_2(aq)+H_2(g)

The ionic equation in separated aqueous solution will be,

Zn(s)+2H^+(aq)+2Cl^-(aq)\rightarrow Zn^{2+}(aq)+2Cl^-(aq)+H_2(g)

In this equation, Cl^- is the spectator ion.

By removing the spectator ion from the balanced ionic equation, we get the net ionic equation.

The net ionic equation will be,

Zn(s)+2H^+(aq)\rightarrow Zn^{2+}(aq)+H_2(g)

8 0
3 years ago
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