Estimating the tension in the string
A 4.00-kg cylinder of solid iron is supported by a string while submerged in water. What is the tension in the string? (The specific gravity of iron is 7.86.)
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A chemist produces 460 mL of oxygen gas at - 43 °C and constant pressure. To what Celsius temperature must the oxygen be warmed in order for it to have a volume of 600 mL?
One mole of an ideal gas is held at standard conditions. At what Kelvin temperature would the pressure be doubled?
Given the decomposition of hydrogen peroxide, calculate the moles of oxygen gas produced from 5.20mol of H2O2.
What is the molarity of each of the following solutions? You pipet 20.00 mL of 0.0600 M CuCl2 into a 100.00 mL volumetric flask and fill to the mark.
The data below apply to the reaction : (CH3)3CBr + H2O(CH3)3COH + HBr. Determine the order of the reaction, therate constant, and the molar concentration of (CH3)3CBr after 43.8h .
A solution of 0.312 M of KOH is used to neutralize 15.0 mL of a 0.186 M H3PO4 solution. What volume, in milliliters, of the KOH solution is required to reach the endpoint.
If the reaction reaches 90.0% of completion (90.0% of the limiting reactant is consumed), what are the partial pressures of each of the products in the flask at 275?
If 77.0 mL of hydrogen gas is collected over water at 50.0degrees Celsius and 763 mm Hg, what is the volume of dry gas at standard conditions? The vapor pressure of water is 92.5 mm Hg at 50.0 degrees celsius.
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