Ionic Compound Mass (g) T i (°C ) Tf (°C) ∆T (°C) q (J) ∆H (J/mol)...
|
Ionic Compound |
Mass (g) |
T i (°C ) |
Tf (°C) |
∆T (°C) |
q (J) |
∆H (J/mol) |
|
Calcium chloride |
5g |
22°C |
34°C |
+12°C |
-251J |
|
|
Ammonium nitrate |
5g |
22°C |
16°C |
-6°C |
+125J |
|
|
Magnesium Carbonate |
2g |
21°C |
21°C |
0°C |
0 |
|
|
Sodium chloride |
5g |
21°C |
20°C |
-1 |
+21J |
Cs (water) = 4.18 J/g-°C , Density of water = 1g/mL
Q) Calculate: ∆H (J/mol), for the four ionic compounds?
Homework Answers
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Ionic Compound
Mass (g)
T i (°C )
Tf (°C)
∆T (°C)
q (J)
∆H (J/mol)...
slove for t 113958j=5.5g*4.18 j/g c H solution = m*Cs*delta t
slove for t 113958j=5.5g*4.18 j/g c H solution = m*Cs*delta t
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need help, convert them like below pic
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options for part 2 are ionic dissolution, molecular dissolution,
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Which of the following equations has errors? A. HNO3 (1)+ H20 (aq)--> NO3- (aq)+H30+ (aq) B. C3H7OH (g) + H20 (1) --> C3H7OH(aq) C. KCl(s) + H2O(1) --> K+ (aq) + Cl"(aq) D. They all have errors Select the correct reaction type for each molecule or compound when added to water: Magnesium sulfate, MgSO4 [Select] Calcium carbonate, CaCO3 [ Select] Ethanol, C2H5OH [ Select] < Ammonium...
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...
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A compound contains 52.17%C, 4.38%H, 20.28%N, and 23.17%O by mass. Determine the empirical formula of the compound. A-When aqueous sodium carbonate is added to barium chloride. The solution turns cloudy white with solid barium carbonate. Write the molecular, ionic, and net ionic equations for this fraction. How many grams of water can be produced if sufficient hydrogen reacts with 26.0 g of oxygen? 2H_2 (g) + O_2 (g) rightarrow 2 H_2 O(l) When aqueous solution...
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