11 Answered Questions for the topic matter

03/01/22

CONCENTRATION OF SOLUTIONS CHEMISTRY (MOLARITY)
What is the molarity of a solution that contains 25 g of KOH in 250 mL of solution?  What is the mole fraction of sulfuric acid (H2SO4) in 8% aqueous H2SO4 solution?
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12/04/21

DETERMINE IF THE GIVEN QUANTUM NUMBERS ARE VALID
Determine whether the following sets of quantum numbers are valid or not. If valid, identify the atomic orbital being described and explain it briefly. Any explanations would help me a lot because... more
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Matter

09/13/18

What makes matter change from one state to another
what makes matter change from one of the 3 stage (solid, liqui, gas) to another 
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04/18/18

Which of the following observations provide evidence that the air filling the syringe is matter
A. Plunger cannot be pushed all the way to the end B. The atudent can see all the way through the stringe. c. The volume reads 5 ml on the syringe
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Matter

06/29/17

What is the constant of variation, k, of the direct variation, y = kx, through (–3, 2)
What is the constant of variation, k, of the direct variation, y = kx, through (–3, 2)  
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05/31/17

Write the formula + include ALL states of matter (Show Work Please)
Aluminum nitrate in solution reacts with aqueous potassium hydroxide to produce aluminum hydroxide and potassium nitrate
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Matter

03/02/17

A substance is matter that has a definite composition
This is a true or false question
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Matter

12/11/16

number of molecules in 0.2 mole ammonia gas
Determine the number of molecules that can be found in 0.2 mole ammonia gas
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Matter Chemistry

10/12/16

States of matter doubt
16g of oxygen at 37°C is mixed with 14 g of nitrogen at 27°C, the temperature of the mixture will be?
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08/28/16

State of Matter Change
State Change: Liquid to Solid. Name: Freezing. Energy: Less. Particle Motion: Slower. Heat: Released.   State Change: Gas to Liquid.    State Change: Gas to Solid.   State Change: Solid to... more
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06/23/14

A 10.0-gram sample of H2O(l) at 23.0°C absorbs 209 joules of heat. What is the final temperature of the H2O(l) sample?
Find the final temperature go the H20(l) sample.
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