How to increase the temperature of the block

Assignment Help Chemistry
Reference no: EM13500229

A 5 kg aluminum block sits in your lab, which is at 21 C. You wish to increase the temperature of the block to 50 C. How much heat in [J] must be supplied?

Reference no: EM13500229

Questions Cloud

What is the final direction and speed of the probe : A space probe in deep space is moving along the x-axis at a speed of v0 when it is hit by a meteor. What is the final direction and speed (in terms of v0) of the probe
Explain the mass of the container can be ignored : An open container holds 0.550 kg of ice at - 15.0 degree celsius. The mass of the container can be ignored. Heat is supplied to the container at the constant rate of 800 J/min for 500 min .
Explain the preparation of 1l solution of tris buffer : Tris is widely used in a biochemical laboratory. Its acid dissociation constant is 8.32 x 10^-9. You have available at your lab bench a 0.1 M solution of Tris in its protonated form, 0.1 M solution of HCL and NaOH, and ample distilled water. Descr..
Compute how many turns does the solenoid have : When the current in a toroidal solenoid is changing at a rate of 0.0260 A/s, the magnitude of the induced emf is 12.6 mV. How many turns does the solenoid have
How to increase the temperature of the block : A 5 kg aluminum block sits in your lab, which is at 21 C. You wish to increase the temperature of the block to 50 C. How much heat in [J] must be supplied
Estimate the normal force exerted by the floor : The drawing shows a person (weight W = 581 N, L1 = 0.852 m, L2 = 0.402 m) doing push-ups. Find the normal force exerted by the floor on each hand and each foot
Determine the product obtained in reduction of camphor : what ir peaks were the major ones that allow you to determine from your ir analysis which alcohol stereoisomer (endo or exo) predminated in the product obtained in your reduction of camphor
Implementation of information system project : Implementation of information system (IS) projects is central to most organisations' ongoing performance. Significant cost and schedule overruns in IS projects not only pose a direct financial cost to an organisation, but may seriously compromise ..
Explain the mass ratio of magnesium to oxide : Magnesium oxide (MgO) forms when the metal burns in air. (a) If 1.25 g of MgO contains 0.754 g of Mg, what is the mass ratio of magnesium to oxide

Reviews

Write a Review

Chemistry Questions & Answers

  Methanol reacts with oxygen to produce carbon dioxid

Methanol (CH3OH) reacts with oxygen to produce carbon dioxide and water. How many grams of oxygen will be required to react completely with 200 grams of CH3OH? What mass of water will be produced during the reaction?

  Explain reactions spontaneous and non-spontaneous

Are the following reactions spontaneous, non-spontaneous, or not possible?

  State automobile clocked by law enforcement radar

Consider a 2430-lb automobile clocked by law-enforcement radar at a speed of 85.5 mph (miles/hour). If the position of the car is known to within 5.0 feet at the time of the measurement, what is the uncertainty in the velocity of the car?

  A sample of nitrogen occupies a volume of 546 ml at stpwhat

a sample of nitrogen occupies a volume of 546 ml at stp.what volume would nitrogen occupy at 177 c under a pressure of

  Explain the values of delta h and delta s

From the values of delta H and delta S, predict which of the following reactions would be spontaneous at 23 degrees celsius. Reaction A: delta H = 10.5 kj/mol

  Explain dissolved in water the solution becomes acidic

When iron chloride FeCl3 is dissolved in water the solution becomes acidic. The preparation of the Fe(NO3)3 solution and the KSCN solution used 0.5 M HNO3 as the solvent instead of water. Explain why this was done

  Define what is the percentage contribution to alkalinity

For a solution having 1.00 x 10^-3 equivalents/L total alkalinity (contributions from HCO3-, CO32- and OH-) at [H+] = 4.69 x 10^-11, what is the percentage contribution to alkalinity from CO32-

  Describe what causes the trend to fluctuate

How does the first ionization energies change as you go from left to right across the periods; explain what causes the trend to fluctuate

  Depict the electron configuration of phosphorus

Show the electron configuration of phosphorus,P . Be sure to arrange the subshells in order of energy, with the lowest-energy subshell at the bottom and the highest-energy subshell at the top.

  How many kilograms of cah2 are needed

How many kilograms of CaH2 are needed to fill a 147 L tank with compressed H2 gas at 160 atm pressure and 27 degrees C?

  Compute the work done

A coffee cup calorimeter is being used in this lab despite the fact that one of the reactions produces gas. Calculate the work done using the information

  State what is the crossover temperature

Fuel cells combine H2(g) and O2(g) to produce H2O(g). What is the crossover temperature for this reaction at standard state

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