Chemistry, 16.02.2021 14:00, theresamarieuehling2
Write the word and balanced chemical equations for the reaction between:
1. Potassium hydroxide + hydrochloric acid
2. Magnesium and oxygen
3. Sodium and water
4. Sulfuric acid + aluminium hydroxide
5. Nitric acid + iron (III) hydroxide
6. Aluminium + iron sulfate (aluminium is more reactive than iron)
7. Copper + zinc nitrate (zinc is more reactive than copper)
8. Calcium hydroxide + hydrochloric acid
9. Water+ calcium
10. Aluminium +oxygen
Answers: 2
Chemistry, 22.06.2019 13:50, amandamac7339
Abeaker with 2.00×102 ml of an acetic acid buffer with a ph of 5.000 is sitting on a benchtop. the total molarity of acid and conjugate base in this buffer is 0.100 m. a student adds 4.70 ml of a 0.360 m hcl solution to the beaker. how much will the ph change? the pka of acetic acid is 4.740.
Answers: 1
Chemistry, 22.06.2019 15:00, kandi2565
Large helium-filled balloons are used to lift scientific equipment to high altitudes. what is the pressure inside such a balloon if it starts out at sea level with a temperature of 10.0ºc and rises to an altitude where its volume is twenty times the original volume and its temperature is – 50.0ºc ?
Answers: 2
Chemistry, 22.06.2019 18:00, LuvieAnn1886
How is energy related to the change of state represented by the model? atoms gain energy as a solid changes to a liquid. atoms gain energy as a solid changes to a gas. atoms lose energy as a solid changes to a liquid. atoms lose energy as a solid changes to a gas.
Answers: 3
Chemistry, 23.06.2019 10:30, krlx
When a chemist collects hydrogen gas over water, she ends up with a mixture of hydrogen and water vapor in her collecting bottle. if the pressure in the collecting bottle is 97.1 kilopascals and the vapor pressure of the water is 3.2 kilopascals, what is the partial pressure of the hydrogen?
Answers: 1
Write the word and balanced chemical equations for the reaction between:
1. Potassium hydroxide + h...
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