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Question: 153 grams of metal have a specific heat of 0.061 cal/g C and at a temp of 99.1C is added to 85.0 grams of water at 23.5C What will be the final temp of the water when equilibrium is reached ?
1.what is the ph of the solution created by combining 11.50 ml of the 0.10 m naohaq with 8.00 ml of the 0.10 m
It takes 46.0 to raise the temperature of an 10.9 piece of unknown metal from 13.0 to 24.7. What is the specific heat for the metal?
Which one of the following pairs of gases contains the same number of molecules (a) 16 g of O2 and 14 g of N2 (b) 8 g of O2 and 22 g of CO2 (c) 28 g of N2 and 22 g of CO2 (d) 32 g of O2 and 32 g of N2
Calculate the weight of benzene codistilled with each gram of water and the percentage composition of the vapor produced during a steam distillation. The boiling point of the mixture is 69.4 degrees C.
Calculate the required flow rate of air in mol/hr and the percent by mass of oxygen in the product gas. Air may be taken to consist of 21 mole% O2, and 79% N2 and to have an average molecular weight of 29.0.
When zinc chloride (ZnCl2) reacts with NH3 solution, a white crystalline compound Zn(NH3)nCl2 is produced. A student used the procedure in this molecule to determine the mass percent of NH3 in Zn(NH3)nCl2.
Use the appropriate standard reduction potentials in your book to calculate the value of K at 25C for the reaction NiO2(s)+2Cl-(aq)+4H+(aq) arrow Cl2(g)+Ni2+(aq)+H2O(l)
Small molecules do not generally elicit an immune response, because they are monovalent, and because they aren't very foreign in most animals.
The cis and trans geometric isomers of a compound can have different chemical and physical properties. Draw the structure of the geometric isomer of 2-pentene that has the lower melting point
how efficient is the extraction of tea leaves containing tra1.0g of caffeine with two 30-ml portions of chloroform over
the volume of a gas collected over water at 32 c is 627 ml. the barometer reads 752 torr water levels are equal. what
The cuvette used had a 1.00 cm sample pathlength. The measured absorbance was 0.180. What was the concentration of hemoglobin in the solution
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