Need the maximum temperature I can heat these crystals before the h2o in the crystals evaporates....
Need the maximum temperature I can heat these crystals before the h2o in the crystals evaporates.
1. Nickle II Chloride hexahydrate
2. Nickle II Nitrate hexahydrate
3. Zinc Chloride
4. Coper II Nitrate pentahemihydrate
5. Lead II Nitrate
Homework Answers
1) Nickle II Chloride hexahydrate 130 oC
2) Nickle II Nitrate hexahydrate 50 oC
3) Zinc Chloride 270 oC
4) Coper II Nitrate pentahemihydrate 25 oC
5) Lead II Nitrate 400 oC
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Need the maximum temperature I can heat these crystals before
the h2o in the crystals evaporates....
1. Add hydrochloric acid (HCl) to magnesium metal in a test tube. Observations: &
1. Add hydrochloric acid (HCl) to magnesium metal in a test tube. Observations: Reactants: Products: Chemical Equation: 2. Add calcium nitrate to sodium carbonate in a test tube. Observations: Reactants: Products: Chemical Equation: 3. Add iron (III) nitrate to sodium hydroxide in a test tube. Observations: Reactants: Products: Chemical Equation: 4. Add copper (II) nitrate to ammonium hydroxide in a test tube. For writing the equation, the Roman numeral indicates the charge of copper. Caution: ammonium hydroxide produces very pungent...
thermodynamically allowed if the pressure of chlorine gas is a bar and the temperature is 25...
thermodynamically allowed if the pressure of chlorine gas is a bar and the temperature is 25 °C? (3) 20 mL of a o.o4 mol/L solution of lead (II) nitrate is mixed wit 15 mL of a o.oo3 mol/L solution of ammonium sulfate at 25°C a lead (II) sulfate precipitate formed? (4) The overall reaction in an alkaline battery is Zn() + 2MnO2(s)-→ ZnO(s) + Mn2O3(s). (a) Calculate the maximum electrical work that an alkaline A battery can perform per kilogram...
i need help asap. i need this in less then an hour and my grade depends...
i need help asap. i need this in less then an hour and my
grade depends on it please help. i would really appreciate the help
thank you so much
8. 300 250 200 150 PE (kJ) 100 50 0 Progress of the reaction Which of the following are the values for the activation energy (E.) and change in enthalpy (AH) for the reverse reaction? A. 300 -50 B. 150 +50 C. 100 -50 D. 100 +50 Use the following...
SKMM 3433 A solid body which is initially at a uniform temperature Tİ is exposed to an ambient air at temperature Te. Explain how you would determine the maximum amount of heat that can be transfe...
SKMM 3433 A solid body which is initially at a uniform temperature Tİ is exposed to an ambient air at temperature Te. Explain how you would determine the maximum amount of heat that can be transferred to the body. What does this amount of heat represent? Q2. (a) (5 marks) A wall ofa room is made of lightweight concrete material (ρ= 1600 kg/m.に0.79 W/m K and cp 0.84 kJ/kg K) with a thickness of 150 mm. Initially the wall is...
need help, convert them like below pic S. OH- t. 10 w. CIO2 2- X. CO24...
need help, convert them like below pic
S. OH- t. 10 w. CIO2 2- X. CO24 y. HSO3 z. CIO, u. HCO3- v. 104 5. Ionic Compounds with Polyatomic lons & Constant Charge lons a. CaCO3 i. potassium hydroxide b. KCIO j. beryllium hydroxide C. CASO k. strontium acetate d. Li2SO3 I. ammonium oxide e. Ag3PO4 m. silver cyanide f. NH,F n. zinc carbonate g. Al(NO2)3 0. aluminum bicarbonate h. Ba(HCO3)2- p. magnesium phosphate b. NiP04 6. Tonic Compounds with...
At a certain temperature* (probably not 25 °C), the solubility of silver sulfate, Ag2SO4, is 0.012...
At a certain temperature* (probably not 25 °C), the solubility of silver sulfate, Ag2SO4, is 0.012 mol/L. Calculate its solubility product constant for this temperature. SIG. FIG. (required because number is small) Solubility product constants are very temperature sensitive. They are generally reported at 25°C. Not necessarily using this temperature allows me some flexibility. Answer: At a certain temperature, the solubility of potassium iodate, KIO3, is 36.1 g/L. Calculate its solubility product constant for this temperature. Answer: At a certain...
The first picture is used for question #2, and question #3 can be normally answered. I...
The first picture is used for question #2, and question #3 can
be normally answered. I believe the answer to question 3 is ->
0.07144M. However I would like someone to check it. I am not sure
about 2.
BE SURE THAT YOU RECORD ALL OF YOUR DATA AND LABEL PROPERLY FOR PARTI OF THIS LABORATORY EXPERIMENT. YOU WILL NEED TO ACCESS THIS INFORMATION IN THREE WEEKS. Part I Synthesis of the Complex Salt containing Copper Procedure 16.004 1. In...
For which of the following pairs of reactants would a precipitation reaction occur? 1.Lithium hydroxide and...
For which of the following pairs of reactants would a precipitation reaction occur? 1.Lithium hydroxide and potassium carbonate 2.Silver and calcium carbonate 3. Sodium chloride and Sodium nitrate 4.Zinc chloride and Silver nitrate 5.Magnesium and copper(II) sulfate
can somone check to make sure I did the correct calculations. Date REPORT SHEET Heat of...
can
somone check to make sure I did the correct calculations.
Date REPORT SHEET Heat of Neutralization 25 o A. Heat Capacity of Calorimeter 1. Temp. of calorimeter and water before mixing 2. Temp. of warm water 3. Maximum temp, determined from your curve 4. Heat lost by warm water (temp decrease x 50.0 g x 4.184 J/K-g) = 39.0 °C 1443.48, 5. Heat gained by cooler water (temp. increase X 50.0 g x 4.184 J/K-g) = 1642.22, 198 74...
Word and symbol equations A. Write the symbol equation of the following word equations: .zinc +hydrochloric...
Word and symbol equations A. Write the symbol equation of the following word equations: .zinc +hydrochloric acid zinc chloride+hydrogen 2. copper(II) carbonate sulphuric acidcopper(II sulphate+ water + carbon dioxide 3. magnesium oxide + nitric acid =-=> magnesium nitrate + water 4. zinc sulphuric acid>zinc sulphate + hydrogen 5. magnesium hydroxide+hydrochloric acid magnesium chloride + water 6. Lithium Copper(I)sulfate sulfate + Copper Lithium xygen gas >zincoxide 8. iron+ hydrochloric acidiron(II chloride +hydrogen 9. magnesium oxide hydrochloric acid + water 10. calcium...
thermodynamically allowed if the pressure of chlorine gas is a bar and the temperature is 25 °C? (3) 20 mL of a o.o4 mol/L solution of lead (II) nitrate is mixed wit 15 mL of a o.oo3 mol/L solution of ammonium sulfate at 25°C a lead (II) sulfate precipitate formed? (4) The overall reaction in an alkaline battery is Zn() + 2MnO2(s)-→ ZnO(s) + Mn2O3(s). (a) Calculate the maximum electrical work that an alkaline A battery can perform per kilogram...
i need help asap. i need this in less then an hour and my
grade depends on it please help. i would really appreciate the help
thank you so much
8. 300 250 200 150 PE (kJ) 100 50 0 Progress of the reaction Which of the following are the values for the activation energy (E.) and change in enthalpy (AH) for the reverse reaction? A. 300 -50 B. 150 +50 C. 100 -50 D. 100 +50 Use the following...
SKMM 3433 A solid body which is initially at a uniform temperature Tİ is exposed to an ambient air at temperature Te. Explain how you would determine the maximum amount of heat that can be transferred to the body. What does this amount of heat represent? Q2. (a) (5 marks) A wall ofa room is made of lightweight concrete material (ρ= 1600 kg/m.に0.79 W/m K and cp 0.84 kJ/kg K) with a thickness of 150 mm. Initially the wall is...
need help, convert them like below pic
S. OH- t. 10 w. CIO2 2- X. CO24 y. HSO3 z. CIO, u. HCO3- v. 104 5. Ionic Compounds with Polyatomic lons & Constant Charge lons a. CaCO3 i. potassium hydroxide b. KCIO j. beryllium hydroxide C. CASO k. strontium acetate d. Li2SO3 I. ammonium oxide e. Ag3PO4 m. silver cyanide f. NH,F n. zinc carbonate g. Al(NO2)3 0. aluminum bicarbonate h. Ba(HCO3)2- p. magnesium phosphate b. NiP04 6. Tonic Compounds with...
At a certain temperature* (probably not 25 °C), the solubility of silver sulfate, Ag2SO4, is 0.012 mol/L. Calculate its solubility product constant for this temperature. SIG. FIG. (required because number is small) Solubility product constants are very temperature sensitive. They are generally reported at 25°C. Not necessarily using this temperature allows me some flexibility. Answer: At a certain temperature, the solubility of potassium iodate, KIO3, is 36.1 g/L. Calculate its solubility product constant for this temperature. Answer: At a certain...
The first picture is used for question #2, and question #3 can
be normally answered. I believe the answer to question 3 is ->
0.07144M. However I would like someone to check it. I am not sure
about 2.
BE SURE THAT YOU RECORD ALL OF YOUR DATA AND LABEL PROPERLY FOR PARTI OF THIS LABORATORY EXPERIMENT. YOU WILL NEED TO ACCESS THIS INFORMATION IN THREE WEEKS. Part I Synthesis of the Complex Salt containing Copper Procedure 16.004 1. In...
can
somone check to make sure I did the correct calculations.
Date REPORT SHEET Heat of Neutralization 25 o A. Heat Capacity of Calorimeter 1. Temp. of calorimeter and water before mixing 2. Temp. of warm water 3. Maximum temp, determined from your curve 4. Heat lost by warm water (temp decrease x 50.0 g x 4.184 J/K-g) = 39.0 °C 1443.48, 5. Heat gained by cooler water (temp. increase X 50.0 g x 4.184 J/K-g) = 1642.22, 198 74...
Word and symbol equations A. Write the symbol equation of the following word equations: .zinc +hydrochloric acid zinc chloride+hydrogen 2. copper(II) carbonate sulphuric acidcopper(II sulphate+ water + carbon dioxide 3. magnesium oxide + nitric acid =-=> magnesium nitrate + water 4. zinc sulphuric acid>zinc sulphate + hydrogen 5. magnesium hydroxide+hydrochloric acid magnesium chloride + water 6. Lithium Copper(I)sulfate sulfate + Copper Lithium xygen gas >zincoxide 8. iron+ hydrochloric acidiron(II chloride +hydrogen 9. magnesium oxide hydrochloric acid + water 10. calcium...
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