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If an electron has a mass of 9.709x10^-31 kg, and a proton has a mass of 1.672x10^-27 kg, approximately how many electrons are required to have the same mass as one proton?
What might you conclude about the structures of these 3 (X,Y,Z)compounds?
Wind energy; Are there any by-products (positive as well as negative) created in the energy production? Are there limits to how the energy could be used (transportation, heating, etc)
What volume of O2 at 988 mm Hg and 33 degrees celcius is required to synthesize 19.5 moles of NO2.
if 120.9 ml of water is shaken with a gas at 0.860 atm it will dissolve 0.00286 g of the gas. estimate the henrys law
Heated and allowed to expand against a constant pressure of 1.20 atm until its volume reaches twenty eight Litres. Now determine Which of the given data is correct?
A sample of chloroform is found to contain 10.5 g of carbon, 93.1 g of chlorine, and 0.88 g of hydrogen. If a second sample of chloroform is found to contain 20.8 g of carbon, what is the total mass of chloroform in the second sample?
How many mL of 1.74 M HCl solution can react with 71.5 g calcium carbonate? CaCO3(s) + 2 HCl(aq) ? CaCl2(aq) + H2O(l) + CO2(g)?
the density of liquid water at 0 degrees c is 0.9987 gcm cubed the density of ice at this same temperature is 0.917 gcm
Which of the following aqueous solutions has the highest boiling point. Kb for water is 0.52 degrees C/m.
Draw Lewis structures to determine which of the following compounds exhibit resonance. Enter the letters corresponding to all those compounds which exhibit resonance
Determine how many moles of Trisodium phosphate would be required to react with 4.0mol of Silver Nitrate?
One Step is a product sold as a cleaner/sanitizer and has the formula 2Na2CO3?3H2O2. If 15.175 g of this compound is dissolved in water and diluted to exactly 1 gallon as directed
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