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Calculate the amount of heat energy in joules required to heat 50.0g of each substance from 25.0 c to 37.0 ciron 0.449j/galuminum 0.901j/gmercury 0.14j/gwater 4.18j/g
Explain solution of an unknown acid HX, determine that the pH of the solution is 4.00. What is the [H3O+] in the solution?
Describe and explain the possible effect on your results of the following experimental errors or variations. (a) You stopped the steam distillation after collecting 3 mL of distillate
find the wt percent of C and H. find the smallest integer ration of C:H in the compound
What is the Volume of 1.05 mol of Benzene (C6H6) at 20.7 degrees C. The density of Benzene is 0.879 g/mL.
Its minimum angular momentum about that axis is h. In classical terms, how many revolutions per second do the H atoms make about the axis when in that state?
What is Ka? The answer is 8.1E-10. Hope you can help
When hydrochloric acid comes in contact with potassium permanganate, what dangerous chemical is released?
How many grams of O2 will dissolve in 1.75L of H2O that is in contact with air where partial pressure of O2 is 0.209atm?
iron was heated to 275.1 c and placed into 272 g of water at 19.8 c the temperature of the water rose to 25.6 c.
How many moles of oxygen are consumed in burning 1.60 moles of benzene, C6H6?
A mixture of gases containing 21.0 g of N2, 106.5 g of Cl2, and 12.0 g of He at 14 oC is in a 50.0 L container. What is the partial pressure of N2.
When hydrogenating methyl trans-cinnamate or dimethyl fumurate using 5% Pd/C at room temperature, how will you determine if the reaction is chemoselective
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