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10. How many moles of H2SO4 are there in 98 g of H2SO4? NO(g) 11. Balance...
6. Calculate each of the following: a. the number of atoms in 0.5 mol ofc b...
6. Calculate each of the following: a. the number of atoms in 0.5 mol ofc b the number of So, molecules in 1.28 mol of SO c. the moles of Fe in a sample containing 5.22 x10 - atoms of Fe 7. Calculate the molar mass for each of the following use the periodic table for the atomic mass): H2SO4 Fe2O3 Al(SO.) Mg(OH)2 (NH4)2CO3 8. How many moles of Cl2 are there in 25 g of Ciz? 9. How many...
12 7.44 Classify each of the following as a combination, decomposi- tion, single replacement, double replacement,...
12 7.44 Classify each of the following as a combination, decomposi- tion, single replacement, double replacement, or combustion reaction: a. CuO(s) + 2HCl(aq) → CuCl(aq) + H2O(1) b. 2Al(s) + 3Br_(1) ► 2A1Brz(s) c. 2CH2(g) + 502(g) → 4CO2(g) + 2H2O(g) d. Fe2O3(s) + 3C(s) — 2Fe(s) + 3CO(g) e. C H20 (aq) → 2CH_O(aq) + 2C02(8) on. dec 7.44 Classify each of the following as a combination, decomposi- tion, single replacement, double replacement, or combustion reaction: a. Cuo(s) +...
1. Calculate the number of moles in each sample. a. 15.7 g CCl b. 1.8 x...
1. Calculate the number of moles in each sample. a. 15.7 g CCl b. 1.8 x 1021 formula units of NaC 2. Calculate the number of grams in each sample 1.23 mol magnesium bromide 7.310 x 1025 molecules of H202 a. b. 3. Calculate the mass percent of H in each of the following compounds. C2H2 C2HsCI a. b. 4. Calculate the empirical formula of each of the following Methy butyrate: 58.80 % C, 9.87 % H, 31.33 % O...
11 If 50.0 g of H2 and 130.0 g of O2 react, how many moles of H2O can be produced in the reaction below? 2 H2(g) +...
11 If 50.0 g of H2 and 130.0 g of O2 react, how many moles of H2O can be produced in the reaction below? 2 H2(g) + O2(g) → 2 H2O(g) Attempts remaining: 2 12 If 41.1 g of NO and 26.9 g of Oz react together, how many grams of NO2 can be formed via the reaction below? 2 NO (g) + O2(g) → 2 NO2 (g) Attempts remaining: 2 13 - You have 2.2 mol Xe and 1.9...
CHEM 110 Online Lab Instructions for Exp. 7 Types of Chemical Reactions 1. Read sections 8.1...
CHEM 110 Online Lab Instructions for Exp. 7 Types of Chemical Reactions 1. Read sections 8.1 to 8.3 of your lecture textbook for additional information. 2. Watch the following videos Experiment Numbers 1-7. After watching the video, record your observations in the column labeled "Observations". Experiment Number Observations 1. magnesium burning https://www.youtube.com/watchrepDGHnWaVIY 2. zinc and hydrochloric acid https://www.youtube.com/watch?vaft82C6Qg30 3. decomposition of hydrogen peroxide https://www.youtube.com/watch?v=7 X8c2bOBBO 4. iron and copper il sulfate https://www.youtube.com/watch?v4lh24GX320 5. lead Il nitrate and sulfuric acid https://www.youtube.com/watch?v=8W65711f8o...
A. Balance the following equations by adding coefficients. Do not leave blank spaces - use a...
A. Balance the following equations by adding coefficients. Do not leave blank spaces - use a "1" if necessary. Identify the type of reaction in the right column. Balanced Equation Type of Reaction 1. H.As2O7 → _ As2O3 + _H20 2. _N2+_02—_N20 _NaI + _Br2 → _NaBr +_12 PbCrO4 +_HNO3 → __Pb(NO3)2 + __H2CrO4 . _C3H8 +_02 → __CO2 + __H20 TiCl4 + _ Mg → _ MgCl2 + ____Ti CuSO4 +_ KCN → ___Cu(CN)2 +_K2SO4 Ca(ClO3)2 → _ CaCl2...
(7 pts.) Calculate the heat absorbed when 4.20 g of H2 are produced according to the...
(7 pts.) Calculate the heat absorbed when 4.20 g of H2 are produced according to the following equation. CH3OH (g) → CO(g) + 2 H2(g) AH = 90.2 kJ (7 pts.) When one adds 1.475 kJ of heat energy to a sample of gold, the temperature goes from 12.5 °C to 84.6 °C. Calculate the mass of the sample of gold. Gold has a specific heat capacity of 0.129 J/g.°C. (6 pts.) 10. Write the thermochemical equation for the standard...
6. Calculate each of the following: a. the number of atoms in 0.5 mol ofc b the number of So, molecules in 1.28 mol of SO c. the moles of Fe in a sample containing 5.22 x10 - atoms of Fe 7. Calculate the molar mass for each of the following use the periodic table for the atomic mass): H2SO4 Fe2O3 Al(SO.) Mg(OH)2 (NH4)2CO3 8. How many moles of Cl2 are there in 25 g of Ciz? 9. How many...
12 7.44 Classify each of the following as a combination, decomposi- tion, single replacement, double replacement, or combustion reaction: a. CuO(s) + 2HCl(aq) → CuCl(aq) + H2O(1) b. 2Al(s) + 3Br_(1) ► 2A1Brz(s) c. 2CH2(g) + 502(g) → 4CO2(g) + 2H2O(g) d. Fe2O3(s) + 3C(s) — 2Fe(s) + 3CO(g) e. C H20 (aq) → 2CH_O(aq) + 2C02(8) on. dec 7.44 Classify each of the following as a combination, decomposi- tion, single replacement, double replacement, or combustion reaction: a. Cuo(s) +...
1. Calculate the number of moles in each sample. a. 15.7 g CCl b. 1.8 x 1021 formula units of NaC 2. Calculate the number of grams in each sample 1.23 mol magnesium bromide 7.310 x 1025 molecules of H202 a. b. 3. Calculate the mass percent of H in each of the following compounds. C2H2 C2HsCI a. b. 4. Calculate the empirical formula of each of the following Methy butyrate: 58.80 % C, 9.87 % H, 31.33 % O...
11 If 50.0 g of H2 and 130.0 g of O2 react, how many moles of H2O can be produced in the reaction below? 2 H2(g) + O2(g) → 2 H2O(g) Attempts remaining: 2 12 If 41.1 g of NO and 26.9 g of Oz react together, how many grams of NO2 can be formed via the reaction below? 2 NO (g) + O2(g) → 2 NO2 (g) Attempts remaining: 2 13 - You have 2.2 mol Xe and 1.9...
CHEM 110 Online Lab Instructions for Exp. 7 Types of Chemical Reactions 1. Read sections 8.1 to 8.3 of your lecture textbook for additional information. 2. Watch the following videos Experiment Numbers 1-7. After watching the video, record your observations in the column labeled "Observations". Experiment Number Observations 1. magnesium burning https://www.youtube.com/watchrepDGHnWaVIY 2. zinc and hydrochloric acid https://www.youtube.com/watch?vaft82C6Qg30 3. decomposition of hydrogen peroxide https://www.youtube.com/watch?v=7 X8c2bOBBO 4. iron and copper il sulfate https://www.youtube.com/watch?v4lh24GX320 5. lead Il nitrate and sulfuric acid https://www.youtube.com/watch?v=8W65711f8o...
A. Balance the following equations by adding coefficients. Do not leave blank spaces - use a "1" if necessary. Identify the type of reaction in the right column. Balanced Equation Type of Reaction 1. H.As2O7 → _ As2O3 + _H20 2. _N2+_02—_N20 _NaI + _Br2 → _NaBr +_12 PbCrO4 +_HNO3 → __Pb(NO3)2 + __H2CrO4 . _C3H8 +_02 → __CO2 + __H20 TiCl4 + _ Mg → _ MgCl2 + ____Ti CuSO4 +_ KCN → ___Cu(CN)2 +_K2SO4 Ca(ClO3)2 → _ CaCl2...
(7 pts.) Calculate the heat absorbed when 4.20 g of H2 are produced according to the following equation. CH3OH (g) → CO(g) + 2 H2(g) AH = 90.2 kJ (7 pts.) When one adds 1.475 kJ of heat energy to a sample of gold, the temperature goes from 12.5 °C to 84.6 °C. Calculate the mass of the sample of gold. Gold has a specific heat capacity of 0.129 J/g.°C. (6 pts.) 10. Write the thermochemical equation for the standard...
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