The temperature of drinking hlass decreased

Assignment Help Chemistry
Reference no: EM13172120

The temperature of a 150 gram drinkinh hlass decreased from 25 to 14 * C as 200 grams of water were added. Determine the original temperature of the water. (Hint: Heat loss must equal heat gain).

Reference no: EM13172120

Questions Cloud

Explain what is the equilibrium constant kc : What is the equilibrium constant Kc of this reaction? Use an ICE table with numbers.
What mass of hcn and of h2o will be produced : If 5.00 x 10^3 kg each of NH3, O2, and CH4 are reacted, what mass of HCN and of H2O will be produced, assuming 100% yield?
State injected into the blood stream of a patient : A 2 mL solution containing 1.40 uCi/mL is injected into the blood stream of a patient. After dilution, a 1 mL sample is withdrawn and found to have an activity of 2.9 * 10-4uCi. Calculate the blood volume,
What type of current is produced : when a substance is being reduced, what type of current is produced?
The temperature of drinking hlass decreased : The temperature of a 150 gram drinking hlass decreased from 25 to 14 * C as 200 grams of water were added
How many kilograms of sodium carbonate must be added : Sodium carbonate is used to neutralize the sulfuric acid spill. How many kilograms of sodium carbonate must be added to neutralize 2.01×103 of sulfuric acid solution?
What is the density of agcl : Silver chloride crystallizes with the sodium chloride (rock salt) structure. The length of a unit cell edge is 555 pm. What is the density of AgCl? Show all works.
Calculate changes in entropy for the process : 15g of steam at 373 K is added to 250g of H2O at 298 K at constant pressure of 1 bar. Is the final state of the system steam or liquid water? Calculate changes in entropy for the process.
How many grams of pb would be consumed : The value of E° for each of the cells is 2.04 V. Suppose that in starting a car on a cold morning a current of 108 A is drawn for 14 seconds from the car battery. How many grams of Pb would be consumed? (M r(Pb)=207.19 g/mol)

Reviews

Write a Review

Chemistry Questions & Answers

  What is the concentration of the h2so4 solution

It takes 47 mL of 0.124 M KOH to neutralize 47.8 mL of H2SO4 solution. What is the concentration of the H2SO4 solution? Answer in units of moles/liter

  Determining the enthalpy of reaction between citric acid

detailed procedure of determining the enthalpy of reaction between citric acid (H3Cit) and sodium hydroxide (NaOH). Calculate what volume of each .50M solution should be mixed to give a total volume of 50.0mL and the reactants in the correct stoic..

  What is the change in the boiling point of a solution

What is the change in the boiling point of a solution made by dissolving 14.7 g of C6H12O6 into 150ml of water? The density of water is 1.00 g/ml and Kb=0.512 C/m .

  Calculating frequency

M. tuberculosis, the organism that causes tuberculosis, can be completely destoryed by irradiation with UV light with a wavelength of 254 nm. What is the frequency?

  Significant reaction in the formation of photochemical smog

An important reaction in the formation of photochemical smog is the photodissociation of NO2: NO2 + hv >>> NO(g) + O(g) The maximum wavelength of light that can cause this reaction

  Element symbols and chemical formulas

Element symbols and Chemical formulas - What is the total number of atoms found in each of the following compounds? What is the total number of elements found in each?

  State what was the mass percent of arsenic trichloride

The excess I3- was titrated with 50.00 mL of a 0.02000 M Na2S2O3 solution. What was the mass percent of arsenic trichloride in the original sample?

  Prepare the molecular formula for given compounds

Prepare the molecular formula for given compounds and determine the amount of molecules present and write the molecular formula and determine how many grams of each you have

  How many liters of co2 (g) are produced

A student combusts 504.96 grams of ethene gas, C2H4. How many liters of CO2 (g) are produced at a pressure of 0.993 atm and a temperature of 295 K? C2H4 (g) + 3 O2 (g) ->2 CO2 (g) + 2 H2O (g)

  State how many grams of co will dissolve of water

How many grams of CO will dissolve in 1.00L of water at a CO partial pressure of 2.75 atm?

  State the grignard reagent mg is converted to magnesium

In formation of the Grignard reagent Mg is converted to magnesium with a plus two oxidation state. Circle the reaction type magnesium is undergoing.

  Determine the mass of cuso4 · 5h2o

Determine the mass of CuSO4 · 5H2O that must be used to prepare 250 mL of 0.88 M CuSO4(aq).Answer in units of g.

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd