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It takes 48.0J to raise the temperature of an 9.60g piece of unknown metal from 13.0c to 24.0. What is the specific heat for the metal? Express your answer numerically, in J/g.C
Calculate the ratio of HCL molecules in the first excited rotational state to those in the ground state @ 25 C. Assume an equilibrium bond distance of 1.275 angstroms.
If a sample of barium contains 2.3 x 1023 atoms of barium, how many grams of barium are in the sample?
Ethanol (C2H5OH) is produced from the fermentation of sucrose in the presence of enzymes. C12H22O11(aq) + H2O(g) > 4 C2H5OH(l) + 4 CO2(g)
Choose one of the following atmospheric issues: air pollution, global warming, ozone depletion, and acid deposition. Then, respond to the following,
calculate the specific heat capacity of zinc given that a 65.5g sample loses 2008J of heat when cooled from 100.0 degrees celcius to 21.1 degrees celcius.
Determine What would be the total volume in the graduated cylinder if density of Ag= 10.5 g/mL.?
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.
How do you calculate solubility percentage? For example if a out 5 grams of sugar in 50 ml of water, with the temperature of water being 20 degrees.
A sample of 0.2140 g of an unknown monoprotic acid was dissolved in 35.0 mL of water and titrated with 0.0950 M NaOH. The acid required 27.4 mL of base to reach the equivalence point.
A gas originally at 27 degrees celsius and 1.00 atm pressure in a 3.9 L flask is cooled at constant pressure until the temperature is 11 degrees celsius. determine the new volume of the gas and express your answer in Litre.
A 493 mL sample of solution contains 33.2 g of CaCl2 Calculate the molar concentration of Cl in this solution
chlorobutenedioic acids dehydrochlorinate to give acetylene dicarboxylic acid. The Z reacts about 50 times faster
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