Explain how much time necessary to increase the temperature

Assignment Help Chemistry
Reference no: EM13666724

A resistive heater operating at 9V and 41is used to heat a 8g block of iron heat capacity.473 J/g*K). Explain how much time is necessary to increase the temperature of the block from 25oC to 44oC?

Reference no: EM13666724

Questions Cloud

Define a suitable mechanistic sequence : 1,2-dibromoethane as well as 1-bromo-2-chloroethane. No 1, 2-dichloroethane is obtained. Define above experimental facts utilizing a suitable mechanistic sequence.
Evaluate the height of the waterfall : Evaluate the height of the waterfall if the water temperature is 0.213 C warmer at the bottom than the top. Gravitational potential energy is given by mgh where m is the mass of a given amount of water and h is the height of the water. Explain the..
Provide the structure and name of the products produced : Provide the structure and name of the products produced from the following reactions.
Explain what is the molar solubility of agcl : Explain what is the molar solubility of AgCl in 1.0 M K2S2O3 if the complex ion Ag(S2O3)23- forms. The Ksp for AgCl is 1.8 *10(-10) and the Kf for Ag(S2O3)23- is 2.9*1013.
Explain how much time necessary to increase the temperature : A resistive heater operating at 9V and 41is used to heat a 8g block of iron heat capacity.473 J/g*K). Explain how much time is necessary to increase the temperature of the block from 25oC to 44oC
Explain how many milliliters of a stock solution : Compute the molarity of a solution made by dissolving 0.770 grams of Na2SO4 in sufficient water to form exactly 950mL of solution.
Explain what is the minimum amount of energy : Plants utilizes CO2 (g) and H2O (l) as well as energy from the sun to create glucose (C6H12O6) and oxygen gas. Explain what is the minimum amount of energy from the sun necessary to produce 4 g of glucose in this way. Hf of glucose is -1260 kJ/mol..
Explain what is the enthalpy of formation of c3h6o : If a 1.2 g sample of C3H6O is burned completely in excess oxygen to yield CO2 (g) and H2O (l) at 25 C, releasing 38.22 kJ of energy. Explain what is the enthalpy of formation of C3H6O
Compute the volume of natural gas methane : Presume that methane is an ideal gas the specific heat capacity of water to be constant as well as equal to 4.184 J/g/K over this temperature range as well as the density of water to be 1.0 g/cm3. The combustion of methane is given byCH4 + 2 O2? C..

Reviews

Write a Review

Chemistry Questions & Answers

  A 596-g sample of homogentisic acid a weak organic acid

a 5.96-g sample of homogentisic acid a weak organic acid having ka4.0 x 10-5 is dissolved in 35.0 ml of water and its

  Explain the temperature of the sample in degrees of celsius

If 9.57 moles of an ideal gas has a pressure of 2.81 atm, and a volume of 25.49 L, what is the temperature of the sample in degrees of Celsius

  Explain heat supply to raise the temperature of the water

The volume of each glass was 250mL. How much heat, in kJ, did the body have to supply to raise the temperature of the water to body temperature (37 C)?

  What is the change in internal energy of a system

What is the change in internal energy (in J) of a system that absorbs 0.836 kJ of heat from its surroundings

  What is the molar mass of the solute

The boiling point of a solution containing 10.44 g of an unknown nonelectrolyte in 50.00 g of acetic acid is 159.2°C. What is the molar mass of the solute?

  Determine the order of reaction

at 400 K, the rate of decomposition of a gaseous compound initially at a pressure of 12.6 kPa, was 9.71 Pa/s when 10.0 % had reacted and 7.67 Pa when 20.0 % had reacted.Determine the order of reaction.

  Explain the process of obrital hybridization

Describe the process of obrital hybridization as applied to carbon. You must include information on obritals used and produced

  Compute the molarity of the naoh solution

Calculate the No. of moles of KHP? (b) How many moles of NaOH will react with the KHP in dissolved water? (c) Calculate the molarity of the NaOH solution?

  State correct mass balance equation for an aqueous solution

Find the correct mass balance equation for an aqueous solution of MnCl2 that ionizes to Mn2 , Cl-, MnCl , and MnOH.

  Explain what mass of nacl is needed to react

What mass of NaCl is needed to react with 35.0 mL of the same AgNO3 solution?

  Define how many grams of na2cs3 are produced in the reaction

For the reaction given below, how many grams of Na2CS3 are produced in the reaction of 65.0 mL of liquid CS2 (d = 1.26 g/mL) and 1.56 mol NaOH

  Make -fluorophenylmagnesium bromide by adding magnesium

A graduate student tried to make -fluorophenylmagnesium bromide by adding magnesium to an ether solution of -fluorobromobenzene.

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