CHEMISTRY COLLEGE

1. When an object wants to stay at rest or wants to stay in motion unlessan outside force comes and disturbs it.*

Answers

Answer 1
Answer: Newton's first law of motion describes inertia. According to this law, a body at rest tends to stay at rest, and a body in motion tends to stay in motion, unless acted on by a net external force.

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Dinitrogen monoxide has a structural formula of NNO and requires resonance structures in order to draw the Lewis structures of the molecule. Based on formal charge distributions, themostsignificant (stable) resonance structure for this molecule exhibits the order of formal charges for the 1st N, the central N, and the O atoms, respectively, as:A. 0,+1,-1
B. -1,+1,0
C. -2,+3,-1
D. 0,0,0

Answers

Three resonance structures contribute to the structure of dinitrogen monoxide.

The resonance structure is invoked when a single structure can not sufficiently explain all the bonding properties of a compound. All the various contributing structures contribute to the final structure of the compound but not all to the same degree.

There are three resonance structures of dinitrogen monoxide. The most stable structure is always the structure that has the formal charges as -1, +1 and zero as shown.

Learn more: brainly.com/question/14283892

Answer:

A. 0, +1, -1

Explanation:

You can draw the lewis structure for NNO 3 ways: With two double bonds N=N=O, with a triple bond between the N and O and single bond between the two N's, or a triple bond between the two N's and a single bond between the N and O.

The goal is to have formal charges that are as small as possible, to have no identical formal charges on adjacent atoms, and to have the most negative formal charge on the most electronegative atom. The most stable structure is the one with the triple bond between the two N's because it gives the formal charges 0, 1, and -1 respectively. Unlike the other two structures, the negative formal charge is correctly placed on O, the most electronegative atom.

All the following are characteristic properties of phosphorus. Which one is a chemical property?(a) When exposed to air, white phos- phorus will burn spontaneously, but red phosphorus will not.
(b) Red phosphorus and white phos- phorus are solids.
(c) The white form is soluble in liquid carbon disulfide but is insoluble in water.
(d) The red form of phosphorus is in- soluble in both water and carbon disulfide.
(e) The red form melts at about 600 ◦ C, and the white form melts at44◦ C.

Answers

Red phosphorus and white phosphorus are solid is a physical property

The activiation energy required for a chemical reaction can be decreased by? A) increasing the surface area of the reactant.
B) increasing the temperature of the reactant.
C) adding a catalyst to the reaction.
D)adding more reactant​

Answers

Answer:

C)

Explanation:

C) adding a catalyst to the reaction.

Calculate the individual percent recoveries of benzoic acid, naphthalene and 3-nitroaniline if you were able to collect 9.75 g of benzoic acid, 6.41 g of naphthalene, and 7.71 g of 3-nitroaniline from a set of extractions. The starting mass of the mixture was 26.24 g. (0.6 pt)

Answers

Answer:

Benzoic acid= 37.16%

Naphthalene = 24.43%

3-Nitroaniline= 29.38%

Explanation:

Data given:

percentage recovery of benzonic acid = 9.75/26.24 * 100 = 37.16%

Percentage recovery of napthalene = 6.41/26.24 * 100 = 24.43%

Percentage recovery of 3-nitroaniline = 7.71/26.24 * 100 = 29.38%

Name the process that happens when a liquid turns into a gas.​

Answers

evaporation is when liquid turns into gas

What are the names of the following compounds: FeCl HNO NaSO SO

Answers

Answer:

FeCl: Ferric Chloride (also called iron chloride), comes from Fe (ferrum, or iron), and Cl (Chlorine)

HNO: Nitroxyl, from N (Nitrogen), and the acidic nature of a radical ending in -yl.

NaSO:  Sodium sulfate, Na (Sodium), S (Sulfur), O (Oxygen).

SO: Sulfur monoxide (Mono-One), O (Oxygen) and S (Sulfur).
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