Compute q when 28.6 g of water is heated

Assignment Help Chemistry
Reference no: EM13544984

Calculate q when 28.6 g of water is heated from 22.0?C to 78.3?C. (the specific heat capacity for water = 4.184 J/(g•oC).

A. 0.385 kJ B. 1.61 kJ C. 6.74 kJ D. 9.37 kJ E. 1.61 x 10^3 kJ

Reference no: EM13544984

Questions Cloud

Describe the purpose of self-disclosure : Illustrate power and conflict issues - describe the purpose of self-disclosure? Describe whether any self-disclosure issues exist between the parties.
Calculate the gravitational force on the satellite : A satellite of mass M = 270kg is in circular orbit around the Earth at an altitude equal to the earth's mean radius (6370 km). What is the gravitational force on the satellite
Prepare a business project : Objectives are determined to address the problem which the company is facing. The overview of the plan is projected to give the team the bird's eye view of what to achieve in the course of work.
How to calculate the wavelength of the photon emitted : Calculate the wavelength of the photon emitted when the hydrogen atom undergoes a transition from n = 5 to n = 3. (R = 2.179 x 10-18 J R = 1.096776 x 10^7 m-1)
Compute q when 28.6 g of water is heated : Calculate q when 28.6 g of water is heated from 22.0?C to 78.3?C. (the specific heat capacity for water = 4.184 J/(g•oC).
Calculate the linear acceleration of the bicycle : A bicycle has wheels with a diameter (DIAMETER, not radius) of 0.580 m. Find the linear acceleration of the bicycle
Compute how far will it go : A car is traveling at 50 miles per hours. The driver sees a deer and hits the brakes. How far will it go
Determine how much energy is lost in the process : a solid wood door 90 cm wide by 2.00 m tall has a mass of 35.0 kg. it is ajar and at rest. a ball with a mass of 500 g is thrown perpendicular to the door with a speed of 20.0 m/s, how much energy is lost in the process
Explain the half-life of 44ti : What is the half-life (in years) of 44Ti if a 1.0 ng sample decays initially at a rate of 4.8*10^3 disintegration s/s

Reviews

Write a Review

 

Chemistry Questions & Answers

  Evaluate the percentage of each conformer at equilibrium

The energy difference of 3.8 kJ/mol between gauche and anti butane corresponds to an equilibrium constant, Keq, of approximately 1.9. Calculate the percentage of each conformer at equilibrium.

  The half life for the first-order decomposition of sulfuryl

the half life for the first-order decomposition of sulfuryl chloride at 320ordmc is 8.75 h.so2cl2 g rarr so2 g cl2

  Define the difference in the entropy values

Using appendix C compare entropies at 25 degrees C for the following pairs of substances. For each pair, explain the difference in the entropy values.

  How small a change temperature can be detect by touch

How many moles of carbon, hydrogen and oxygen atoms does a mass of 32.5grams of sugar represent? How many atoms of each type are there in this mass of sugar?

  Explain the maximun number of moles of pbcl2

Find the maximun number of moles of PbCl2 that can be dissolved in 1.00 L of 0.30 M NaCl(aq) at 25 degrees celsius, given that Ksp = 1.7 x 10^-5 fpr PbCl2 at 25 degrees celsius.

  Calculate the individual masses of c, h and o

calculate the individual masses of C, H, and O in the 0.7549 g sample.

  What is the solubility of the gas

If the solubility of a gas is 7.5 g/L at 404 kPa pressure, what is the solubility of the gas when the pressure is 202 kPa.

  How much oxygen will result from the decomposition

The disinfectant hydrogen peroxide (H2O2) decomposes to form water and oxygen gas.How much O2 will result from the decomposition of 3.21 mol of hydrogen peroxide?Answer in units of mol.

  What will be the volume of dry nitrogen

A volume of 200mL of nitrogen is collected over water at a temperture of 24 degrees celcius and the atmospheric pressure of 100 kPa. What will be the volume of dry nitrogen at 24 degrees celcius and 125 kPa?

  What was the final temperature of the gold

A 4.5 g nugget of gold absorbed 276 j of heat. What was the final temperature of the gold if the initial temperature was 25 OC ? The specific heat of gold is 0.129 j/g OC.

  Explain what absorption is diagnostic of benzophenone

What absorption is diagnostic of benzophenone and not present in benzhydrol (give frequency and functional group); and what absorption is diagnostic of benzhydrol and not present in benzophenone

  Define the actual chemical formula must remain top secret

A new potential heart medicine, code-named X-281, is being tested by a pharmaceutical company, Pharma-pill. As a research technician at Pharma-pill, you are told that X-281 is a monoprotic weak acid, but because of security concerns, the actual ch..

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