Chemical Calculations

Write a balanced chemical equation for the reaction of the following acid and base:

___ H₂SO₄ + ___KOH -->

Tags

NGSS.HS-PS1-7

Write a balanced chemical equation for the reaction of the following acid and base: ___ Al(OH)₃ + ___HCl -->

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

CH₄ + 2O₂ --> CO₂ + 2H₂O

100g of CO₂ was fully reacted with O₂, how many moles of CO₂ are there? (2s.f)

C= 12

O = 16

Tags

NGSS.HS-PS1-7

CH₄ + 2O₂ --> CO₂ + 2H₂O

100g of CO₂ was fully reacted with O₂, how many moles of CO₂ are there? (2s.f)

If tehre are 2.3 moles of CO₂ how many moles of O₂ are needed?

Tags

NGSS.HS-PS1-7

CH₄ + 2O₂ --> CO₂ + 2H₂O

100g of CO₂ was fully reacted with O₂, how many moles of CO₂ are there? (2s.f)

If there are 4.6 moles of O₂ how much mass of O₂ is needed in grams?

Tags

NGSS.HS-PS1-2

NGSS.HS-PS1-7

H₂SO₄ + 2NaOH --> Na₂SO₄ + 2H₂O

30cm³ of NaOH was titrated against 51.5cm³ of 0.2mol/dm³ H₂SO₄

How many moles of H₂SO₄ are there? (Remember Units)

Tags

NGSS.HS-PS1-7

H₂SO₄ + 2NaOH --> Na₂SO₄ + 2H₂O

30cm³ of NaOH was titrated against 51.5cm³ of 0.2mol/dm³ H₂SO₄

How many moles of NaOH are there? (Remember Units and ratio)

Tags

NGSS.HS-PS1-7

H₂SO₄ + 2NaOH --> Na₂SO₄ + 2H₂O

30cm³ of NaOH was titrated against 51.5cm³ of 0.2mol/dm³ H₂SO₄

What is the concentration of NaOH, give your answer to 2s.f? (Remember Units and rounding!)

How much volume does 10moles of CO₂ occupy? (Gas Volume)

CH₄ + 2O₂ --> CO₂ + 2H₂O

What is the ratio of CH₄ to O₂?

Tags

NGSS.MS-PS1-5