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Calculate the mass, in grams for a gold sample that absorbs 225 J to change its temperature from 15 Celsius to 47 degrees celsius.
0.60 g of hydrogen chloride HCl is dissolved in water to make 7.5 L of solution. What is the pH of the resulting hydrochloric acid solution.
Determine how much energy will be required to heat 69.7 gal of H 2 O from 22 degree Celsius to 110 degree Celsius if it is given that 1.00 gal weighs 3.77 kg and water has a specific heat capacity =4.184 J/g C
25.0 ml of a 0.2450 M NH4Cl solution is added to 55.5ml of 0.1655 M FeCl3. What is H concentration of chloride ion in the final solution.
A volume of 725 mL of a gas is collected at 105 degrees C and 746 torr. The gas sample weighs 1.92 grams. what is the gas.
The Standardized solution of NaOH is used to titrate a solution of HCI. Write the balanced equation for this reaction. Calculate the molarity of the HCl solution.
How many milliliters of 6 M HNO3 would you add to 300 mL of the buffers solution to change the pH from 5.09 to 5.03?
A 115 mL sample of a 11.0 M ethylene glycol (rm C_2H_6O_2) solution is diluted to 1.40 L.What is the freezing point of the final solution? (Assume a density of 1.06 g/mL for the final solution.)
An archeologist finds a huge monolith in the desert. In order to estimate the weight of this object; he estimates the dimensions of the monolith and removes some chips from the rock with his hammer.
Which of the following molecules have dipole moments? For the molecules that are polar, indicate the polarity of each bond and the direction of the net dipole moment of the molecule.
Give explanation for arrangements how you decide the boiling points comparison - Arrange all these compounds in order of increasing boiling points
What mass of Au is produced when 18.6 ampere of current are passed through a gold solution for 29.0 minutes.
A peat soil was found to have the following Langmuir constants for the adsorption of heavy metals. Using the nonlinear Langmuir equation above, show the equations and plot the nonlinear adsorption isotherms for the three metals
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