What fraction of the time will the current be turned on

Assignment Help Chemistry
Reference no: EM13113268

An oil bath maintained at 50.5oC loses heat to its surroundings at the rate of 4.68 kJ/min. Its temperature is maintained by an electrically heated coil with a resistance of 60 operated from a 110 V line. A thermoregulator switches the current on and off. What fraction of the time will the current be turned on?

Reference no: EM13113268

Questions Cloud

Compute the uncertainty in position : Considering the Heisenberg's uncertainty principle, compute the uncertainty in the position of: a 1.50-mg mosquito moving at a speed of 1.40 m/s (if the speed is known to within a + or - 0.01 m/s)
Question regarding test of mean : Given the following hypotheses: the true mean equals 100 (the null) and the true mean does not equal 100 (the alternate), a random sample of six resulted in the following values:
P-value for risk factor for susceptibility to depression : Based on a P-value of 0.0248 the researchers concluded there was evidence that low birth weights may be a risk factor for susceptibility to depression. Explain in context what the reported P-value means.
Determine what would be the concentration of the solution : Determine what would be the concentration of the final solution If you take a ten mili litres portion of the stock solution and dilute it to a total volume of 0.250 Litres,?
What fraction of the time will the current be turned on : An oil bath maintained at 50.5oC loses heat to its surroundings at the rate of 4.68 kJ/min. Its temperature is maintained by an electrically heated coil with a resistance of 60 operated from a 110 V line.
Objective-testing of hypothesis : In hypothesis testing, the level of significance is? When would you use a t test and when would you use an f test ? You are interested in the assumption that adult students earn better grades than traditional students.
Determine how many milliliters of solution : Determine how many milliliters of this solution should you dilute to make 100.0mL of 0.250M Ammonia(NH3)?
Find probability that the patient-s test comes out positive : A patient is chosen at random from the clinic. What is the probability that the patient's test comes out positive for Lyme disease?
Explain how should society deal with the possibility : Explain how should society deal with the possibility that continued economic growth may severely degrade the quality of life for further generation?

Reviews

Write a Review

Chemistry Questions & Answers

  Multiple choice questions - chemistry

The solubility of a gas in H2O at a temperature of 25 °C and a pressure of 1.2 atm is 0.042 M. What will the solubility of the same gas be in H2O at the same temperature at 3.4 atm.

  Determine the empirical formula of compound

Using a sample of a compound containing only oxygen and chlorine reacts with an excess of H2 gas to give 0.206 g water and 0.278 g HCl . ClxOy in presence of H2 (g) → HCl + H2O all the oxygen

  Calculate the root mean square speed

Calculate the Root Mean Square Speed and its average kinetic energy per molecule of Nitrogen and water vapor

  Evaluate the molecular weight of the reactants

Write balanced chemical equation and evaluate the molecular weight of the reactants and Calculate the molecular weights of the reactant.

  Calculate the standard free energy change for the process

Calculate the standard free energy change for the process N2O5(s)-->N2O5(g) at 25 0C if Vapor pressure of N2O5 at 7.5 degrees C is 100mmHg, and the solid sublimes at a pressure of 1.00 atm at 32.4 0C.

  What is the molarity of the na2s2o3 solution

What is the molarity of the Na 2 S 2 O 3 solution if a 0.150 g sample of KIO 3 required 10.7 mL of Na 2 S 2 O 3 solution for its standardization?

  Determine the final concentration

Determine the final concentration if a 144-mL portion of that solution is diluted using water of 143 mL ?

  Determine the mass of copper sulfate

Determine the mass of copper(II) sulfate, CuSO4 will remain after removing all the H2O(water) from 74 grams of CuSO4 5H2O (Also called Blue Vitriol and Bluestone)?

  Determine the limiting reactant and the numbers of moles

Determine the limiting reactant and the numbers of moles of Cu will be formed If you place .092 mol of iron filling in a solution containing .158 mol of Copper sulphate,?

  Compute the geologic sink and source of arsenic

A situation with an industrial input of arsenic directly into the lake at 10kg/Day. The lake volume is 1.2 x 10^8 m^3, and the average depth is 10m.

  Calculating the density of lead

Lead has a face-centered cubic lattice with all atoms at the lattice points and a unit-cell edge length of 495.0pm its atomic mass is 207.2 amu what is the density of lead?

  Calculate how many total moles of gas are produced

Calculate how many molecules of C 2 H 6 S (ethyl mercaptan )are contained in 1.0 micro liter sample if the given density = 0.84 g/mL

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