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Chemical Reactions Warmups.notebook

1

November 17, 2017

WarmUp (Sept 12) How will an atom change if you change the number of:

a) Protons?

b) Electrons?

c) Neutrons?


2

November 17, 2017

CH3OS WarmUp (Sept 13)

1. What is an isotope?

2. Neon has two major isotopes, Neon20 and Neon22. If you took a sample of Neon atoms which isotope do you think there would be more atoms of? (Hint: look at your periodic table)


3

November 17, 2017

CH3OS WarmUp (Sept 13)Neon has two major isotopes, Neon20 and Neon22. You took a sample of 250 Neon atoms and found the following information:

Out of 250 neon atoms,

225 were Neon20 25 were Neon22.

What is the average atomic mass of Neon?


4

November 17, 2017

WarmUp (Sept 15)1. Name the following Chemicals:

a) CF4

b) N3F2

c) NO3

d) N2O7

2. Write the formula for the following Chemicals:

a) Dinitrogen pentoxide b) Silicon tetrachloride

c) Sulphur hexafluoride d) Iodine


5

November 17, 2017

WarmUp (Sept 18)1. Name the following Chemicals:

a) NO3 b) Cl2

c) Al d) Na2S


a) Bromine b) Magnesium phosphide

c) Aluminum nitride d) Beryllium hydride


6

November 17, 2017

Warmup (Sept 19)

Nitrogen ________ Lead (IV) sulphide __________

Magnesium chloride __________ Dinitrogen Heptoxide __________

Cu2O _______________ P4 _______________

PBr3 _______________ K2O _______________


7

November 17, 2017

Warmup (Sept 21)

Hydrogen________ Copper (II) oxide __________

Lead (II) sulphate __________ Aluminum citrate_______

Iron (III) hydroxide__________ Nickel (II) carbonate __________

Pb(OH)2 _______________ CuCr2O7_______________

SO4 _______________ Co(HCO3)2______________

BaCO3_______________ K2Cr2O7 ______________


8

November 17, 2017

Warmup (Sept 22)

Iron ________ Copper (I) oxide __________

Lead (II) persulphate __________ magnesium citrate_______

Iron (II) hydroxide__________ Nickel (II) carbonite __________

Pb(OH)4 _______________ CuCrO4 _______________

Pb(SO5)2 _______________ Mn(HCO3)2 _______________

BaCO2 _______________ K2Cr2O7 _______________


9

November 17, 2017

Warmup (Sept 25)

Neon ________ Tin (IV) hydrogen sulphite__________

Lead (II) persulphate __________ Nitrogen _______

dinitrogen heptoxide __________ Nickel (II) percarbonate __________

PbO2 _______________ Cu2SO4 _______________

NO3 _______________ Mg(HCO3)2 _______________

BaCO2 _______________ NiO _______________


10

November 17, 2017

Warmup (Feb 23)1. Write the balanced reaction given the following word equations:

a) Lead (II) Sulphate + Sodium Chloride > Sodium Sulphate + Lead(II) Chloride

b) Propane (C3H8) + Oxygen gas > Carbon dioxide + Water


11

November 17, 2017

Warmup (Sept 26)1. Write the balanced reaction given the following word equations:

a) Lead (II) Nitrate + Sodium oxide > Sodium Nitrate + Lead(II) Oxide

b) Zinc + Magnesium Phosphate > Zinc Phosphate + Magnesium


12

November 17, 2017

WarmUp (Sept 27)Lead (II) nitrate reacts with Magnesium phosphate to produce Lead(II) phosphate and magnesium nitrate. Write the balanced reaction and state the type of reaction


13

November 17, 2017

WarmUp (Sept 28)1. Calculate the average atomic mass of chlorine given the following relative abundances:

Cl‐35 ‐‐> 75%

Cl‐37 ‐‐> 25%

2. Write the complete balanced reaction between lead (II) nitrate and Potassium iodide.


14

November 17, 2017

WarmUp (Sept 29)Write the balanced equation, state the type of reaction and name the products for the following:

Calcium phosphite reacts with silver perchlorate.

For the compound NaOH find the:a) Molecular mass

b) Molar mass


15

November 17, 2017

WarmUp (Oct 3)1. Given Iron(II) hydroxide, find the:

a) molecular mass

b) Molar mass

c) If you have about 45g of NaOH, how many moles would you have?

2. Write the balanced reaction between Bromine and sodium chloride. State the type of reaction.


16

November 17, 2017

WarmUp (oct 5)1. What is the molar mass of potassium phosphate?

2. If you have about 212g of potassium phosphate, how many moles would you have?

3. If you needed 2mol of potassium phosphate, how many grams would you need to weigh?

4. If you have about 106g of postassium phosphate, how many moles would that be?


17

November 17, 2017

WarmUp (March 7)1. What is the molar mass of magnesium nitrate?

2. If you have 100g of magnesium nitrate, how many moles would you have?

3. If you needed 2.5mol of magnesium nitrate, how many grams would you need to weigh?

4. If you have about 56g of magnesium nitrate, how many moles would that be?


18

November 17, 2017

WarmUp (Oct 6)1. Find the molar mass of Gold (III) Sulphide:

2. If you have 50g of Gold(III) sulphide, how many moles is this?

3. If you need 0.3moles of gold(III) sulphide, how many grams would you weigh?


19

November 17, 2017

WarmUp (October 10)1. Find the molar mass of Chromium (III) oxide:

2. If you have 30g of chromium(III) oxide, how many moles is this?

3. Use your answer in #2 to find how many molecules of chromium(III)oxide there are.

Challenge: Use your answer in #3 to find how many atoms of oxygen there are.


20

November 17, 2017

WarmUp (October 11)1. Find the molar mass of Lead(II) sulphide:

2. If you have 30g of lead(II) sulphide, how many moles is this?

3. Use your answer in #2 to find how many molecules of lead(II) Sulphide there are.

4. Use your answer in #3 to find how many atoms of sulphur there are.


21

November 17, 2017

WarmUp (Oct 12)1. How many atoms of oxygen are in 50g of iron(III) sulphate?

2. You have 1 million hydrogen atoms. How many grams of water can you make?


22

November 17, 2017

Warm‐Up (Oct 13)1. Write the complete, balanced reaction between the following

a) Chromium (II) phosphate and aluminum

b) Combustion of octane (C8H18)

2. How many hydrogen atoms are in 18 grams of water?

3. How many moles of hydrogen are in 3 moles of water?


23

November 17, 2017

WarmUp (Oct 16)1. How many moles are in 54 grams of Carbon Dioxide?

2. Determine the number of moles of Hydrogen and Oxygen atoms in 3 moles of water.

3. Challenge: Use your answer from #1 to find how many liters of Carbon dioxide gas there would be at STP.


24

November 17, 2017

Warmup (Oct 17)1. Find the volume of 100g of hydrogen gas.

2. Find the mass of 100L of carbon tetrachloride

3. Find the volume of 20g of water vapour.

3. A sample of sugar contains 10g of oxygen ATOMS. how many moles of oxygen ATOMS are there in the sample of sugar?


25

November 17, 2017

WarmUp (Oct 18)1. Name the following Chemicals:

a) CF4 b) MgF2

c) Fe2O3 d) NO3


a) Dinitrogen pentoxide b) Gold (III) oxide

c) Strontium nitride d) Copper (I) phosphate


26

November 17, 2017

Warm‐Up (Oct 13)

1. Determine the mass of 0.200mol of aluminum oxide.

2. How many moles are there in 8.64g of dinitrogen pentoxide gas?

3. Calculate the volume of the dinitrogen pentoxide gas from question 2.


27

November 17, 2017

An organic compound was analyzed and the following data were produced. In a 4.479 g sample;

Mass of carbon = 3.161 g

Mass of hydrogen = 0.266 g

Mass of oxygen = 1.052 g

a) Calculate the empirical formula for the organic compound.

b) If analysis revealed that the molar mass of the compound is 136 g/mol, determine the molecular formula for the compound.

WarmUp (Oct 18)


28

November 17, 2017

An organic compound was analyzed and the following data were produced. In a 4.479 g sample;

Mass of carbon = 3.161 g

Mass of hydrogen = 0.266 g

Mass of oxygen = 1.052 g

a) Calculate the empirical formula for the organic compound.

b) If analysis revealed that the molar mass of the compound is 136 g/mol, determine the molecular formula for the compound.

WarmUp (Mar 20)


29

November 17, 2017

WarmUp (Oct 23) Happy Mole Day!!!A sample of copper chloride weighs 7.7g and 4.0g of the sample is chlorine.

1. How many grams of Copper would be in the sample?

2. Use the mass of copper and chlorine to determine the empirical formula of copper chloride.

3. Why did Avogadro stop going to a chiropractor on October 24th?


30

November 17, 2017

WarmUp (Oct 18)A sample of copper chloride weighs 7.7g and 4.0g of the sample is chlorine.

1. How many grams of Copper would be in the sample?

2. Use the mass of copper and chlorine to determine the empirical formula of copper chloride.


31

November 17, 2017

Write the balanced reaction between potassium iodide with lead(II) nitrate.

If you had 2 molecules of lead(II) nitrate, how many molecules of lead(II) iodide do you think could be made?

If you had 2 moles of lead(II) nitrate, how many moles of lead(II) iodide do you think could be made?

WarmUp (Oct 24)


32

November 17, 2017

Write the reaction between potassium sulphate and Iron(III) nitrate.

how many moles of iron (III) sulphate can be made from 2 moles of potassium sulphate

WarmUp (Oct 25)


33

November 17, 2017

WarmUp (March 22)If 1.25g of Sodium bicarbonate reacts with hydrochloric acid according to the following reaction: NaHCO3 + HCl > H2O + CO2 + NaCl

1. Determine the number of moles of sodium bicarbonate used.

2. Use your answer to determine the number of moles of salt that should be produced.

3. Use your answer to determine the grams of salt that should be produced.

4. If 0.8g of salt were actually produced in the lab, determine the % yield.


34

November 17, 2017

WarmUp (oct 26)If 1.25g of Sodium bicarbonate reacts with hydrochloric acid according to the following reaction: NaHCO3 + HCl > H2O + CO2 + NaCl

1. Determine the number of moles of sodium bicarbonate used.

2. Use your answer to determine the number of moles of salt that should be produced.

3. Use your answer to determine the grams of salt that should be produced.



35

November 17, 2017

Warm‐Up (Oct 27)

Calculate the mass of copper (I) sulphate produced when 10g of copper (I) chloride reacts with excess potassium sulphate. (2 marks)


36

November 17, 2017

Warm‐Up (October 31)

If 0.75g of Sodium bicarbonate reacts with hydrochloric acid according to the following reaction: NaHCO 3 + HCl ‐‐> H 2O + CO 2 + NaCl

1. Determine the grams of salt that should be produced.



37

November 17, 2017

WarmUp (Apr 4)

1. Balance: ____ Ca(OH)2 + ____ H3PO4 > ____ Ca3(PO4)2 + ___ H2O

2. Write the reaction for the burning of butane fuel (C4H10)

3. Determine the empirical and molecular formula for a compound that has a molar mass of 227g/mol, and the following percent composition: 37.0% carbon, 2.20% hydrogen, 18.5% nitrogen and 42.3% oxygen. (3 marks)


38

November 17, 2017

WarmUp (Nov 1)Calculate the volume of carbon dioxide produced when 30g of propane (C3H8) is burned.


39

November 17, 2017

Warmup (Nov 2)

Determine the volume of hydrogen gas produced when 2.5g of zinc react with excess hydrochloric acid (HCl)

If this experiment is performed and 0.7L of hydrogen gas is ACTUALLY produced, determine the percent yield.


40

November 17, 2017

Warmup (Nov 6)When butane is burned, energy is produced. Given the following reaction

2C2H6 + 7O2 > 4CO2 + 6H2O + 977 kJ

How many grams of butane is burned if we make 2700kJ of energy?


41

November 17, 2017


42

November 17, 2017

Warmup (April 10)When propane is burned, energy is produced. Given the following reaction

C3H8 + 5O2 > 3CO2 + 4H2O H = 1377 kJ

How much energy is produced when 4000 grams of propane is burned?


43

November 17, 2017

Warmup (Nov 7)When propane is burned, energy is produced. Given the following reaction

C3H8 + 5O2 > 3CO2 + 4H2O + 1377 kJ

How much energy is produced when 4000 grams of propane is burned?


44

November 17, 2017

WarmUp (Nov 8)Calculate the mass of copper (II) sulphate produced when 30g Copper(II) chloride reacts with 30g of potassium sulphate


45

November 17, 2017

WarmUp (Nov 9)1. 45.0g of Iron (II) sulphide and 30.0g of hydrochloric acid (HCl) are mixed.

How many grams of Iron(II) Chloride will be formed?

2. A compound contains 57.54% C, 3.45% H, and 39.01% F. What is its empirical formula?

If the molar mass of the actual compound is 438.15g/mol, determine the molecular formula.


46

November 17, 2017

Warm‐Up (Nov 7)

A compound contains 57.54% C, 3.45% H, and 39.01% F. What is its empirical formula?

If the molar mass of the actual compound is 438.15g/mol, determine the molecular formula.

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