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The masses and volumes of two cylinders are mesaured. The mass of cylinder 1 is 1.35 times the mass of cylinder 2. The volume of cylinder 1 is 0.792 times the volume of cylinder 2. If the density of cylinder 1 is 3.8 g/cm3, explain what is the density of cylinder 2?
the gpr ground penetrating radar produced an electromagnetic radiation that had a frequency of 2.00 x 102 mhz.
Consider the reaction Pb(s) + 2H^+(aq) ? Pb^2+(aq) + H2(g). If the hydrogen gas pressure is maintained at 1.00 atm and the lead(II) ion concentration is 0.025 M, find the pH at which this reaction is at equilibrium.
when .192 g of phosphorus reacts with oxygen .440 g of a white oxide is formed. how many grams of oxygen reacted with
Compute the pH of a solution made by mixing 5.00mL of 1.0 M sulfuric acid and 10.0mL 0.1M sodium Hydroxide.
twenty grams of a solute are added to 100g of water at 25c. the vapor pressure of pure water is 23.76 mmhg the vapor
Using oxidation and reduction half-reactions, balance the skeletal equation: N_2H_4(g) + ClO_3 -(aq) --> NO(g) + Cl-(aq) of hydrazine with chlorate ions.
Acetic acid is a weak acid whose Ka is 1.8 X 10^-5. Calculate the predicted pH values for 1.0 M, 0.10 M, and 0.010 M acetic acid.
If air contains ~380 ppm of CO2. the sodium stearate is constantly being exposed to air. Why does the sodium stearate still work in the presence of air
consider the following reaction n2 3 h2 lt - gt 2 nh3. initially 4.25 moles of nitrogen gas and 6.33 moles of hydrogen
Cl2+2KBr yields 2KCl+Br2- how many moles of potassium chloride are produced from 119 g of potassium bromide
Compute the bicarbonate and carbonate alkalinities, in mg/L as CaCO3, of the water having a total alkalinity of 233.0mg/L as CaCO3 and a ph of 10.47
Determine the of a solution that is 1.85% by mass. Assume that the solution has density of 1.01
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