What is the mass of the sample

Assignment Help Chemistry
Reference no: EM13116501

The temperature of a sample of water increases from 21.9°C to 45.3°C as it absorbs 5669 J of heat. What is the mass of the sample?

Reference no: EM13116501

Questions Cloud

Pretend you are a top national microbologist reasearcher : Your working at a remote field station and you've been given a container of undentified mostly microscopic. Your job is to determine if the organisms are bacteria, unicellular algae, or protozans.
Compute a simple linear regression on a single sample : Suppose you compute a simple linear regression on a single sample. Then you find additional data and recompute the regression on the larger sample and that the result is an increase in the regression slope.
Fixed exchange rate and floating rate systems : Explain the major differences in the fixed exchange rate and floating rate systems. You need to compare the systems in terms of their impacts on the effectiveness of monetary and fiscal policies
Determine operating income for 20x7 : Determine operating income for 20X7, assuming the firm uses the variable-costing approach to product costing. (Do not prepare a statement.)
What is the mass of the sample : The temperature of a sample of water increases from 21.9°C to 45.3°C as it absorbs 5669 J of heat. What is the mass of the sample.
Find out force that the blood vessel must exert on blood : What is the acceleration of a 1.00 gram drop of blood in the finger tips at the bottom of the swing? Find out force that the blood vessel must exert on the drop of blood in part (a)
Currency value and its effect on trade : Explain how a rise in the euro might affect a French company exporting wine to the U.S., and compare that to the impact on a German firm importing semiconductors from the U.S.
Probability shuttle missions results critical-item failure : What is the probability that at least one of the eight shuttle missions scheduled next year results in a critical-item failure?
Calculate the hydrogen ion concentration : Calculate the hydrogen ion concentration for an aqueous solution that has a pH of 3.45.

Reviews

Write a Review

Chemistry Questions & Answers

  Calculate: q, w, u, h and s

Four (4.00) moles of a perfect gas at 250.0 K and 1.50 bar pressure undergo a reversible isothermal compression until the pressure becomes 3.00 bar.

  Estimating relative humidity

A closed vessel contains moist air at 20 degree celcius, the relative humidity being 30 %. What would be the relative humidity become if the vessel were cooled to 10 degree celcius?

  Measure of the contamination of the lake water

A chemical firm was hired to monitor a nearby lake for possible mercury contamination. Several samples were taken at different locations around the lake, including water samples.

  What is the molatity of the final mixture

In a beaker, I mix 50 ml of 3 M HCl with 100 ml distilled water. Both fluids are at 25 C initially. (Cp mix =. 0.985 cal/g-C) a. what is the final T.

  Write formula for binary compound between element r and z

If 2 new elements have been discovered and one is R, a new element from the family with 3 valence electrons and Z, a new element from the family with 6 valence electrons. Write the formula for the binary compound between element R and element Z.

  How many grams of helium are contained in balloon

A 2.32 L balloon contains helium at 1.00 atm and 25°C. How many grams of helium are contained in the balloon.

  How limestone objects corroded by sulfuric acid

Concetrated acedic acid is a Class II combustible liquid. What is the molecular weight of acetic acid that will form 2 moles of CO2 assuming complete combustion.

  What is the intermolecular force is present

Find the volume and the intermolecular force present in ammonia at STP in the following reaction and What is the intermolecular force is present in NH3(g).

  Estimate the activation energy for reverse reaction

The activation energy for the reaction NO 2 (g)+CO 2 (g)?NO(g)+CO(g) is E a = 100kJ/mol and the change in enthalpy for the reaction is ΔH = -200kJ/mol. What is the activation energy for the reverse reaction?

  Determine the total pressure in the new container

A quantity of Oxygen (g is originally at 4.75 atm and 26 degree Celsius in a 5.00 Litre container is transferred into the same container determine the total pressure in the new container?

  What is the molality of a solution

What is the molality of a solution that contains 2.93 grams of urea (molar mass = 60.0 g/mol) in 141 grams of benzene.

  Calculate the wavelength in nanometers of spectral line

Calculate the wavelength in nanometers of the spectral line in the visible spectrum of hydrogen for which n1 = 2 and n2 = 3. What color is this line?

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