How much heat in kilojoules is needed

Assignment Help Chemistry
Reference no: EM13150357

How much heat in kilojoules is needed to bring 1.30 kg of water from 33.7 to 97.1 °C (comparable to making four cups of coffee)?

Reference no: EM13150357

Questions Cloud

How many grams of iron could be produced : Iron can be prepared by the reaction of Fe2O3 with carbon according to the equation: 2Fe2O3(s) + 3C(s) 3CO2(g) + 4Fe(s) If 401 g Fe2O3 and 205 g C are heated together, how many grams of iron could be produced?
Result of expenditures for the asset : An asset is being constructed for an enterprise's own use. The asset has been financed with a specific new borrowing. The interest cost incurred during the construction period as a result of expenditures for the asset is:
Find probability to see shadow on chosen groundhog day : Phil has seen his shadow 104 times. (a) What is the probability that Phil will see his shadow on a randomly chosen Groundhog Day? (b) What kind of probability is this?
What is the entropy change for a particle in the system : A gaseous system undergoes a change in temperature and volume. What is the entropy change for a particle in this system if the final number of microstates is 0.617 times that of the initial number of microstates?
How much heat in kilojoules is needed : How much heat in kilojoules is needed to bring 1.30 kg of water from 33.7 to 97.1 °C (comparable to making four cups of coffee)?
Equipment account and credit : Donated equipment for which the fair value has been determined should be recorded as a debit to the appropriate equipment account and a credit to:
Find mean-variance and standard deviation of distribution : Cans of Paint Purchased During a recent paint sale at Corner Hardware, the number of cans of paint purchased was distributed as shown. Find the mean, variance, and standard deviation of the distribution.
How many moles of al3+ are in the new solution : When 28 mL of a 430 mL stock solution containing 2.3 M AlCl3 is diluted to 114 mL, how many moles of Al3+ are in the new solution?
Spot in national accounting firm : A major network is launching a reality program called The Accountant. A group of recent accounting graduates will be competing for a spot in a national accounting firm.

Reviews

Write a Review

Chemistry Questions & Answers

  Determine the equation of reaction

If 7.85 x 10 to the 24th power Sc atoms react with excess CaO, how many grams of each product will form? You will need to determine the equation of the reaction.

  What is the partial pressure of oxygen

A gaseous mixture of O2 and N2 contains 36.8% nitrogen by mass. What is the partial pressure of oxygen in the mixture if the total pressure is 685 mmHg.

  Determine what is the mole fraction

Estimate dissociation energy of HF using simpe additivity rule If given that d(H-H) and D(F-F) IN H 2 is 336kj/mol and F2 is 258 kj/mol

  Define water dissolves table salt

Water dissolves table salt (NaCl) because: A. NaCl is hydrophobic. B. NaCl has a polar covalent bond. C. water molecules surround the Na and Cl ions due to electric attraction.

  How many grams of are cah2 needed

How many grams of are CaH2 needed to generate 147L of H2 gas if the pressure of H2 is 827 torr at 20 C?

  Question based on thermo dynamics

Given the values of ΔH ° rxn , ΔS ° rxn , and T below, determine ΔS univ. ΔH ° rxn = 80kJ , ΔS rxn = 143J/K , T= 299K Express your answer using two significant figures.

  Ow many milliliters of hcl will need to be added

A phosphorous acid buffer needs to be prepared to a pH of 5.92; given a 120mL solution of 25mM phosphorous acid, how many milliliters of either 0.5M KOH or 0.4M HCl will need to be added

  Calculate the amount of heat transferred

Is heat absorbed or evolved in the course of this reaction? Calculate the amount of heat transferred when 45.0 g of CH3OH (g) is decomposed by this reaction at constant pressure.

  Prepare an aqueous solution of sucrose

determine how many grams of C 12 H 22 O 11 (sucrose) (mm = 342 g/mol) does he need if he uses 375 grams of Water?  it is given that the vapor pressure of water =17.5 mm Hg.  at 20 degree celsius temperature)

  Calculate the mass percent of ethane in the original mixture

A 9.767-g gaseous mixture contains ethane (C2H6) and propane (C3H8). Complete combustion to form carbon dioxide and water requires 1.120 mol of oxygen.

  Compute the value of delta g for the process

Calculate the value of Delta G for the process- AgCl (s) Ag+(aq) + Cl-(aq) to yield a saturated solution at 298 K.

  Determine what mass of ar is needed to exert

Determine the final concentration and Determine What mass of Ar is needed to exert half the pressure (at the same conditions of volume and temperature)?

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