When 5.89 g of a solid mixture composed of NH4CI and CaCl2 was dissolved in 100.0 mL of water, the temperature of the water rose by 4.06°C. How many grams of each substance was in the mixture?

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Q: Write the thermochemical equation for the following reactions that occur at constant pressure:  a)…

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A: Given Mass of NH4Cl = 1.78 g Mass of CaCl2 = 3.26 g

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Q: When 4.51 g of a solid mixture composed of NH¼CI and CaCI2 was dissolved in 100.0 mL of water, the…

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Q: 1. When 2.00 grams of solid sodium hydroxide dissolves in 100.0 ml of water in a coffee-cup…

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Q: When 4.81 g of a solid mixture composed of NH4CI and Cačl2 was dissolved in 100.0 mL of water, the…

A: Please find your solution below :

Q: 2. If a 50g sample of water at a temperature of 100°C is added to 25g sample of water at 25°C, what…

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Q: A calorimeter contains 20.0 mL of water at 14.5 ∘C . When 1.20 g of X (a substance with a molar mass…

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Q: If the mass of a sample of Mg is 0.500 g and is placed in 100.0 g  of HCl, the heat gained is 546.5…

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Q: When a 6.00 g sample of RbBr is dissolved in water in a calorimeter that has a total heat capacity…

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Q: The enthalpy of solution of KOH is -57.6kj/mol.  If 1.11g KOH is dissolved in enough water to make…

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Q: When 5.28 g of a solid mixture composed of NH4Cl and CaCl2 was dissolved in 100.0 mL of water, the…

A: Given: 5.28 g of a solid mixture composed of NH4Cl and CaCl2 was dissolved in 100.0 mL of water, the…

Q: A calorimeter contains 30.0 mL of water at 14.0 °C When 1.70 g of X (a substance with a molar mass…

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Q: Given the thermochemical expression below:   CaO (s)  +  3C (s)  ⟶  CaC2 (s)  +  CO (g)       ΔHo…

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Q: When 5.54 g of a solid mixture composed of NH.Cl and CaCl2 was dissolved in 100.0 mL of water, the…

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Q: When 5.49 g of a solid mixture composed of NH,Cl and CaClz was dissolved in 100.0 ml of water, the…

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Q: When 5.75 g of a solid mixture composed of NH4CI and CaCl2 was dissolved in 100.0 mL of water, the…

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Q: How many 20.0-g ice cubes are required to absorb 53.7 kJ from a glass of water upon melting?

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Q: Explain Enthalpy and Entropy ? Show the Difference between them ?

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Q: Calcium carbonate can be decomposed upon applying heat with the following equation CaCO3(s)  →…

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Q: A 80.8 g chunk of granite (specific heat: 0.79 J/g°C) is heated to 225.7 °C and dropped into a…

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Q: How much energy is needed to raise the temperature of 400 g of argon from 25ºC to 40ºC? The specific…

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Q: 25 J are required to change the temperature of 5.0 g of substance A by 2.0 K. What is the specific…

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Q: In a coffee-cup calorimeter, 0.800 g of ammonium nitrate is mixed with 37.5g of water at an initial…

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Q: If the specific heat of methanol is 2.51 j/k-g, how many joules are required to raise the…

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Q: of 1.00 g glucose is combusted in a bomb calorimeter. If the calorimeter contains 875 g H20 and the…

A: Rise in temperature can be calculated as follows

Q: 2. When 1.0 g of sodium nitrate was dissolved in 50.0 g of water in a calorimeter at 20.0°C, the…

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Q: When 5.28 g of a solid mixture composed of NH4Cl and CaCl2 was dissolved in 100.0 mL of water, the…

A:

Q: Mg(s) + 2 H2O(l) ⟶ Mg(OH)2(s) + 2H2(g) | ∆Hrxn = —353.0 kJ/mol Calculate the number of grams of Mg…

A: Mg(s) + 2 H2O(l) ⟶ Mg(OH)2(s) + 2H2(g) | ∆Hrxn = —353.0 kJ/mol  99 mL of water temperature change =…

Q: Cold packs (like the kind used by athletes to treat sprains and other minor injuries) rely on the…

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