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Chemical Reactions Warmups.notebook
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November 17, 2017
WarmUp (Sept 12) How will an atom change if you change the number of:
a) Protons?
b) Electrons?
c) Neutrons?
Chemical Reactions Warmups.notebook
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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)
Chemical Reactions Warmups.notebook
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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?
Chemical Reactions Warmups.notebook
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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
Chemical Reactions Warmups.notebook
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November 17, 2017
WarmUp (Sept 18)1. Name the following Chemicals:
a) NO3 b) Cl2
c) Al d) Na2S
2. Write the formula for the following Chemicals:
a) Bromine b) Magnesium phosphide
c) Aluminum nitride d) Beryllium hydride
Chemical Reactions Warmups.notebook
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November 17, 2017
Warmup (Sept 19)
Nitrogen ________ Lead (IV) sulphide __________
Magnesium chloride __________ Dinitrogen Heptoxide __________
Cu2O _______________ P4 _______________
PBr3 _______________ K2O _______________
Chemical Reactions Warmups.notebook
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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 ______________
Chemical Reactions Warmups.notebook
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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 _______________
Chemical Reactions Warmups.notebook
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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 _______________
Chemical Reactions Warmups.notebook
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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
Chemical Reactions Warmups.notebook
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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
Chemical Reactions Warmups.notebook
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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
Chemical Reactions Warmups.notebook
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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.
Chemical Reactions Warmups.notebook
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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
Chemical Reactions Warmups.notebook
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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.
Chemical Reactions Warmups.notebook
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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?
Chemical Reactions Warmups.notebook
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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?
Chemical Reactions Warmups.notebook
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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?
Chemical Reactions Warmups.notebook
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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.
Chemical Reactions Warmups.notebook
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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.
Chemical Reactions Warmups.notebook
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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?
Chemical Reactions Warmups.notebook
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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?
Chemical Reactions Warmups.notebook
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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.
Chemical Reactions Warmups.notebook
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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?
Chemical Reactions Warmups.notebook
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November 17, 2017
WarmUp (Oct 18)1. Name the following Chemicals:
a) CF4 b) MgF2
c) Fe2O3 d) NO3
2. Write the formula for the following Chemicals:
a) Dinitrogen pentoxide b) Gold (III) oxide
c) Strontium nitride d) Copper (I) phosphate
Chemical Reactions Warmups.notebook
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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.
Chemical Reactions Warmups.notebook
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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)
Chemical Reactions Warmups.notebook
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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)
Chemical Reactions Warmups.notebook
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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?
Chemical Reactions Warmups.notebook
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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.
Chemical Reactions Warmups.notebook
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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)
Chemical Reactions Warmups.notebook
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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)
Chemical Reactions Warmups.notebook
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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.
Chemical Reactions Warmups.notebook
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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.
4. If 0.8g of salt were actually produced in the lab, determine the % yield.
Chemical Reactions Warmups.notebook
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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)
Chemical Reactions Warmups.notebook
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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.
2. If 0.65g of salt were actually produced in the lab, determine the % yield.
Chemical Reactions Warmups.notebook
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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)
Chemical Reactions Warmups.notebook
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November 17, 2017
WarmUp (Nov 1)Calculate the volume of carbon dioxide produced when 30g of propane (C3H8) is burned.
Chemical Reactions Warmups.notebook
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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.
Chemical Reactions Warmups.notebook
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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?
Chemical Reactions Warmups.notebook
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November 17, 2017
Chemical Reactions Warmups.notebook
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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?
Chemical Reactions Warmups.notebook
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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?
Chemical Reactions Warmups.notebook
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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
Chemical Reactions Warmups.notebook
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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.
Chemical Reactions Warmups.notebook
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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.