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Maurinko [17]
3 years ago
14

When she told us the party was canceled there was a deafening silence? A. Malapropisms B.imagery C. Hyperbole D.oxymoron

Chemistry
2 answers:
Taya2010 [7]3 years ago
8 0
Hi There! :D

<span>When she told us the party was canceled there was a deafening silence? A. Malapropisms B.imagery C. Hyperbole D.oxymoron

</span><span>oxymoron</span>
Sergio039 [100]3 years ago
5 0

The answer is: D.oxymoron.

The oxymoron  is a combination of contradictory or incongruous words.

In this example, deafening silence.

Deafening is a noise so loud as to make it impossible to hear anything else.

Silence is oposite of deafening, complete absence of sound.

Other examples are: big baby, original copy, living dead, sweet sorrow, soft rock, pretty ugly.

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How to balance the equation Mg2+HO2=Cu3O+H2<br><br>​
Mariulka [41]
I think the answer is 2Mg + H2O4 = Cu12O4 + 2H

I’m really not sure though so it might be wrong… I’m not the best at balancing equations lol
6 0
2 years ago
What is the coefficient of Ca(OH)2 in the equation Ca(OH)2 + HNO3 → Ca(NO3)2 + H2O when balanced using the smallest possible coe
Vikentia [17]

Answer:

The coefficient of Ca(OH)2 is 1

Explanation:

Step 1: unbalanced equation

Ca(OH)2 + HNO3 → Ca(NO3)2 + H2O

Step 2: Balancing the equation

On the right side we have 2x N (in Ca(NO3)2 ) and 1x N on the left side (in HNO3). To balance the amount of N on both sides, we have to multiply HNO3 by 2.

Ca(OH)2 + 2HNO3 → Ca(NO3)2 + H2O

On the left side we have 4x H (2xH in Ca(OH)2 and 2x H in HNO3), on the right side we have 2x H (in H2O). To balance the amount of H on both sides, we have to multiply H2O on the right side, by 2.

Now the equationis balanced.

Ca(OH)2 + 2HNO3 = Ca(NO3)2 + 2H2O

The coefficient of Ca(OH)2 is 1

4 0
3 years ago
PLZ HELP For the reaction: 2NO2(g) → N2O4(l),
Furkat [3]

Answer: \Delta H_{rxn}=-20kJ/mol-(+66kJ/mol)

Explanation:

Heat of reaction or enthalpy change is the energy released or absorbed during the course of the reaction.

It is calculated by subtracting the enthalpy of reactants from the enthalpy of products.

\Delta H=H_{products}-H_{reactants}

\Delta H = enthalpy change = ?

H_{products} = enthalpy of products

H_{reactants} = enthalpy of reactants

For the given reaction :

2NO_2(g)\rightarrow N_2O_4(l)

\Delta H=H_{N_2O_4}-2\times H_{NO_2}

\Delta H=-20kJ/mol-(+66kJ/mol)

6 0
3 years ago
Photochemical chlorination of pentane gave a mixture of three isomeric monochlorides. The principal monochloride constituted 46%
meriva

Answer:

Explanation:

In the chlorination of alkanes, the condition necessary is UV light so free radical substitution can take place. For alkanes like pentane, the primary, secondary and tertiary Hydrogen atoms (Hydrogen atoms bonded to their respective carbon) þare taken into consideration and this is because the tertiary Hydrogen is the most reactive (due to bond dissociation energy) hence the easiest to be substituted. The trend is as follows in the order of their reactivity;

1° < 2° < 3°

So, the products of the chlorination of pentane, the principal monochloride constituted is 3 - chloropentane while the other two monomers are:

2- chloropentane

1- chloropentane

Below is the attachment showing the structural formula of the three monochloride constituted pentane.

5 0
4 years ago
For a fusion reaction to happen, matter needs to be in which of the following states? A. plasma B. liquid C. solid D. gas
Alex Ar [27]
Matter needs to be in the state called a plasma. The sun is made of plasma, for example. A plasma is when the electrons have been stripped from the atoms.

please mark as brainliest! (the options next to my answer! thanks!)
4 0
3 years ago
Read 2 more answers
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