CHEMISTRY MIDDLE SCHOOL

I have a balloon that can hold 100 liters of air. If I blow up this balloon with 3 miles of gas at a pressure of 1 atmosphere, what is the temperature of the balloon

Answers

Answer 1
Answer:

Answer:

99

Explanation:

Because if u ask me it has to be

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Beginning with commercial grade hydrochloric acid, 1.00 • 10^2 mL of a 12.4 M HCl is added to water to bring the total volume if the solution to 0.820L. What is the concentration of this new solution?

Answers

Concentration=mass/volume.

This should help.

Which is a binary ionic compound?

Answers

there is no choices but A binary compound is a compound composed of only two elements. Binary compounds composed of a metal and a non metal and are named as ionic compounds.

Lithium fluoride  LiF  

Lithium chloride  LiCl  

Lithium phosphide  Li3P  

Beryllium fluoride  BeF2  

Beryllium chloride BeCl2  

Beryllium bromide BeBr2  

Beryllium iodide BeI2  

Beryllium phosphide Be3P2

Boron fluoride  BF3  

Boron chloride BCl3

hope this helped :) pls give branliest

A binary ionic compound is composed of ions of two different elements - one of which is a metal, and the other a nonmetal.

which contributes to acid rain? A. burning fossil fuels B. nuclear power C. solar power D. hydroelectric power

Answers

The answer is (A) burning fossils fuels releases excess amounts of CO2 ( Carbon dioxide) which reacts with H2O in the atmosphere.
CO2 + H2O -> H2CO3

H2CO3 is known as carbonic acid.
Carbonic acid contributes to problems such as ocean acidification and can dissolve limestone ( CaCO3) sculptures.
Shown by this reaction H2CO3 + CaCO3 -> Ca(HCO3)2 producing Calcium Hydrogen Carbonate.

There are also different causes of acid rain such as Sulfur Dioxide (SO2) and Nitrogen Oxide (NO) which can cause respiratory problems.

The volume of a gas at 99.0 kPa is 300.0 mL. If the pressure is increased to 188kPa, what will be the new volume?

Answers

Answer:

158.0 mL

Explanation:

We can solve this problem by using Boyle's law, which states that:

"For a fixed mass of a gas kept at constant temperature, the pressure of the gas is inversely proportional to its volume"

Mathematically:

p\propto (1)/(V)

where

p is the pressure of the gas

V is its volume

The equation can be rewritten as

p_1 V_1 = p_2 V_2

where in this problem:

p_1=99.0 kPa is the initial pressure

V_1=300.0 mL is the initial volume

p_2=188 kPa is the final pressure

Solving for V2, we find the final volume:

V_2=(p_1 V_1)/(p_2)=((99.0)(300.0))/(188)=158.0 mL

Which sequence of coefficients should be placed in the blanks to balance this equation

Answers

Answer:

2 ... and 1

Explanation:

Hope this is right / helps

Answer:

It could either be 1 or 2. Depending on the question.

Explanation:

What does the drop in barometric pressure from 1003 millibars to 926 millibars tell  you about a hurricane?

Answers

The pressure has decrease meaning the hurricane is less powerful

The pressure has decrease meaning the hurricane is less powerful
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