Calculate the amount of energy needed in calories

Assignment Help Chemistry
Reference no: EM13146540

Calculate the amount of energy needed in calories to heat 145 g of water from 22.3 degrees celsius to 75.0 degrees celsius. (water in j/g degree celsius = 4.184, cal/ g degree celsius = 1)

Reference no: EM13146540

Questions Cloud

Problem of cheap labor industies : Discuss the problem of cheap labor industies in Asia And suggest ways to tackle it 3-5 reference - 800 words approximately 3 pages.
Robert adjusted basis for the land : The land has a fair market value of $88,000. What is Robert's adjusted basis for the land?
Production possibility frontier bowed outwards : What total output must the cartel produce in order to maintain this price and to what output will an individual firm be restricted if this price is to be maintained?
Conclude that annual rates of return are higher : Assume the population standard deviations are the same. At the .10 significance level, can we conclude that the annual rates of return are higher on the big board?
Calculate the amount of energy needed in calories : Calculate the amount of energy needed in calories to heat 145 g of water from 22.3 degrees celsius to 75.0 degrees celsius. (water in j/g degree celsius = 4.184, cal/ g degree celsius = 1)
Receipt of the common stock dividend : What is the basis of the Purple Corporation stock, the per share basis, and gain recognized upon receipt of the common stock dividend?
Imagine you are a newly-hired paralegal working : Imagine you are a newly-hired paralegal working for an attorney in a sole practice. Similar to the paralegal discussed in the eBook, your attorney relies on you to manage the "technology" of the office. Based on your Web research and what you ..
Income statement-subscriptions revenue : Lane included the entire $90,000 in its 2007 income tax return. What amount should Lane report in its 2007 income statement for subscriptions revenue?
Aspects of the inventory policy : Suppose that R&B Beverage Company has a soft drink product that shows a constant annual demand rate of 3600 cases. A case of the soft drink costs R&B $3. Ordering costs are $20 per order and holding costs are 25% of the value of the inventory. R&B..

Reviews

Write a Review

Chemistry Questions & Answers

  What volume(in ml) of 0.0887 m mgf2 solution is needed

what volume(in mL) of 0.0887 M MgF2 solution is needed to make 275.0mL of 0.0224 M MgF2 solution.

  What wt of a will be removed by four successive extraction

The distribution coefficient, k = (conc. in hexanes/ conc. in water), between hexanes and water for solute A is 7.5 . What weight of A would be removed from a solution of 10g of A in 100mL of water by a single extraction.

  Calculate the number of moles of gas present

a sample of nitrogen gas kept in a container of vulume 2.43 L and temp 27degree C exerts a pressure of 4.83 atm. calculate the number of moles of gas present

  Extracting gold from seawater

How many grams of Au are there in the whole ocean? With a 60% recovery possible, how many liters of seawater must be processed for gold to obtain 1 kg of that metal?

  What is the ph at the half equivalence point

A 25.0 mL sample of a solution of the weak base aniline, C6H5NH2, requires 25.67 mL of 0.175 M HCl to reach the equivalence point. (Kb for aniline = 4.0 x 10-10)

  Compare alkalide ion with the neutral alkali atom

Compare alkalide ion with the neutral alkali atom - For a given alkali metal, how does the ionic radius of the alkalide ion compare to that of the neutral alkali metal atom? Explain using physical arguments.

  What was fraction by weight of kbr in the original sample

A mixture of KBr and NaBr weighing 0.560 gm was treated with aqueous Ag+ and all the bromide ion was recovered as 0.970 gm of pure AgBr. What was the fraction by weight of Kbr in the original sample?

  Sort the bases in increasing order of strengths

Arrange the bases in increasing order of strengths. I) deuterated ammonia (ND3) Kb = 1.1 × 10?5 II) hydrazine (NH2NH2) Kb = 1.7 × 10?6 III) ammonia (NH3) Kb = 1.8 × 10?5

  Determine the rate constant

Determine the rate constant also explain how many mg will remain after thirty nine days -  A radiation biologist studies the decomposition rate of a certain substance and obtains the given data as

  Determine the heat of formation of p4o10

When burned in oxygen, 10.0 g of phosphorus generated enough heat to raise the temperature of 2950 g of water from 18.0oC to 38.0oC. The heat of formation of P4O10 from P4(s) and O2(g) is:

  What is the molarity of the solution

If 1.50 g of (NH4)2SO4 is dissolved in enough water to form 200. mL of solution, what is the molarity of the solution.

  What is the equilibrium concentration

Consider the following reaction: SO2Cl2 (g) SO2 (g) + Cl2 (g). K = 2.99*10^-7 at 227 degrees celsius. If a reaction mixture initially contains 0.159 , what is the equilibrium concentration.

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