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236 Answered Questions for the topic General Chemistry

General Chemistry Chemistry

6d

What is the mass, in grams, of 9.89×1024 molecules of methanol (CH3OH)?

General Chemistry Chemistry Organic Chemistry

13d

Write which prefix is represented by each of the following sets of symbols

Write which prefix is represented by each of the following sets of symbols:-M-m-p-h-d-da-k-n
General Chemistry Science Chemistry

16d

If you burn 33.7g of hydrogen and produce 301g of water, how much oxygen reacted?

In the combustion of hydrogen gas, hydrogen reacts with oxygen from the air to form water vapor.Hydrogen + Oxygen —> WaterIf you burn 33.7g of hydrogen and produce 301g of water, how much... more
General Chemistry Chemistry

21d

Avogadro's law:

What are the initial and final volume and initial and final amount of gas in this problem?:What volume is occupied by 3.00mol of argon gas at STP?
General Chemistry Chemistry Buffer

07/11/20

Chemistry Buffer/titration problem

Hello,I am having trouble with this problem. I think I have part a) using the Henderson-Hasselbalch equation but part b) and c) are confusing me. I know I need to set the pH=7 and rearrange the HH... more
General Chemistry

07/01/20

How many mol of N2 gas will occupy a 4.01-L container at STP?

General Chemistry

07/01/20

Calculate the number of mol of helium in a 2.21-L balloon at 25C and 2.64 atm of pressure

General Chemistry

07/01/20

What is the volume of 88.8g of carbon monoxide at STP

General Chemistry

06/24/20

Calculate the mass of oxygen in 65.2g of the compound c3h8o3

General Chemistry

06/24/20

Convert 4.46 mol of hydrogen gas, to g

General Chemistry

06/24/20

How many mol of O2 will react with 3 mol of ethanol?

General Chemistry

06/24/20

How many g of O2 will react with 8 mil of ethanol?

General Chemistry Chemistry Chem

04/30/20

Finding the difference in solubility

Consider the solubility of Ca(OH)2 in each of the following solutions. For each solution, indicate whether the Ca(OH)2 solubility will increase, decrease, or not change as compared to the... more
General Chemistry Chemistry Asap

04/28/20

Help! Please! Heat Capacity of Calorimeter & Hess's Law

You used a bomb calorimeter, or constant-volume calorimeter, but misplaced the information of heat capacity of the calorimeter. If you burn 1.250 g of an organic compound, with, ΔE = -24.30kJ/g,... more
General Chemistry Chemistry

02/22/20

Chemistry Lab questions regarding synthesis of Ni(NH3)nCl2

General Chemistry

01/17/20

Acid Base Titaration

You carry out the titration of a weak diprotic solid acid. You take 0.178 g of the solid acid and dissolve it in about 50 mL of distilled water. You titrate with 0.1005 M NaOH and arrive at the... more
General Chemistry

01/17/20

Le Chatelier’s Principle and Chemical Equilibrium

The oxidation of NO to NO2 is exothermic.2 NO(g) + O2(g) -----> 2 NO2(g)If the system is at equilibrium and the temperature is increased, will the concentration of NO increase, remain the same... more
General Chemistry Chemistry

01/17/20

Le Chatelier’s Principle and Chemical Equilibrium

Nitrosyl bromide, NOBr(g), decomposes according to the equationNOBr(g) -------> NO(g)+ ½ Br2(g)a. If the equilibrium constant Kp= 0.15 at 350oC, will any net reaction occur if 1.2 atm NOBr, 0.7... more
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