CHEMISTRY HIGH SCHOOL

Which compound is an exception to the octet rule

Answers

Answer 1
Answer:
I think it's RbCl and CaO
Answer 2
Answer:

D. CIF3

got it correct on test <3

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Which has the longest bond length for the Cl-O bond?1. ClO4-
2. ClO3-
3. ClO2-
4. ClO-

Answers

Answer:

4 ClO-

Explanation:

Bond length ∝ 1/ Bond order

Bond order of ClO − =1,

Bond order of ClO 2− =1.5,

Bond order of ClO 3− =1.66 ,

Bond order of ClO 4− =1.75.

Thus the order of bond length is

ClO 4− <ClO3− <ClO2−

<ClO −

What happens to the energy released by an exothermic reaction?

Answers

The surroundings of the reaction will experience an increase in temperature.
Heat is released during the reaction.

What is cement used for

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A cement is a binder. It is a substance that sets andhardens and can bind other materials together. Cement is usually in a form ofpowder which is being mixed with other materials and water. The most importantuses of cement are as a component in the production of mortar in masonry, andof concrete, a combination of cement and an aggregate to form a strong buildingmaterial. Cements used in construction can be characterized as being eitherhydraulic or non-hydraulic, depending upon the ability of the cement to set inthe presence of water.
Cement is used for sticking hard objects together so that they can stiffen and it would be difficult to break. For example: Cement is used for bricks to stick together to make houses

If a sample of gas in a rigid container has a temperature of 28.1°C at pressure of 121.2kPa.What will the pressure increase to if heated to a temperature of 89.3°C?

Answers

Answer:

3,495.02‬

Explanation: TRY THAT FOR AN ANSWER

Calculate the density of argon gas at a pressure of 753 mmHg and a temperature of 35 °C

Answers

The density of Argon gas at a pressure of 753 mmHg and a temperature of 35 °C is equal to 1.59 g/L.

What is the ideal gas equation?

The state of a quantity of gas is calculated by its pressure, volume, and temperature. The ideal gas law can be explained as the product of the volume and pressure of gas is equal to the multiplication of the universal gas constant and absolute temperature.

The mathematical equation for an ideal gas can be written as follows:

PV = nRT

PV =(m/M) RT

PM/RT = m/V

d = PM/RT

Where n is the moles of gas, T is the temperature of the gas,  V is the volume of the gas,  and R is the gas constant.

Given, the temperature of argon gas, T = 35 °C = 35 +273 = 308 K

The pressure of the argon gas, P = 753 mmHg = 1.01 atm

The molar mass of the Argon gas, M = 40 g/mol

Substitute  V, R, P, and T in the ideal gas equation, we get:

The density of Argon gas, d = PM/RT

d= 1.01 ×40/(0.082 × 308)

d = 1.59 g/L

Therefore, the density of Ar gas is 1.59 g/L.

Learn more about ideal gas equation, here:

brainly.com/question/3637553

#SPJ2
PV=nRT
PV= (m/M)RT
PM=(m/v)RT
PM =dRT
d= (PM) ÷(RT)

substitute the the given data to the above equation. d-density, p-pressure, M- molar mass of argon gas, T- temperature. and R is a constant. make sure to substitute its value too.. :)

The pH of a solution is determined to be 11.6. It is acidic

basic

neutral

a salt

Answers

The solution is basic since it has a pH of 11.6. A pH 
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