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Problem- If the starting concentration of sodium ions is 0.30 M and the starting concentration of tetraborate ions is 0.15 M at 25 C use an ICE table to find the equilibrium concentrations of sodium and tetraborate ions using the initial concentration. Keq=0.055 Reaction: Na2B4O7•10H2O(s) <-> 2 Na+(aq) + B4O72-(aq) + 10 H2O(l)
Please provide the balanced reaction.
What is the % barium in an alloy if it takes 22.0 mL of 0.875M sulfuric acid solution to react with all the barium in a 7.59 g sample of the alloy
Determined that doubling the initial concentration of X while holding the concentration of Y constant, doubled the rate, but doubling the initial concentration of Y while holding the concentration of X constant quadrupled the rate. what is the ove..
Determine the required CSTR volume, V (in gallons), and hydraulic residence time, in V/Q (hours), to comply with the current industrial pretreatment permit limitation for phenol
How many mL of .360M HNO3 are needed to neutralize a 22.5mL sample of .240M KOH.
Completely neutralizes stomach acid (HCl, .10M) How much carbon dioxide is made at STP conditions (37C, 767 torr, 100% humid) by ingesting one 1.834 gram tablet
Draw Lewis structures for the following molecules and label each with the appropriate geometry. CO, NH3, HNO3, H2O2, O3, C2H2, and C2H4
Problem- Suppose a heat source generates heat at a rate of 74.0 W (1 W = 1 J/s). How much entropy does this produce per hour in the surroundings at 26.0 °C. Assume the heat transfer is reversible.
A membrane distillation unit is used to remove water and lactose from milk. In the unit warm milk flows through the inside of a bundle of fibres and a cold fluid which consists of water and lactose flows on the outside of the fibres.
Calculate the density of xenon gas at 182 oC and 605 torr. Use R = 0.0821 L-atm/mol-K for the value of the gas constant.
A solid contains X, Y, Z atoms in a cubic lattice with X atoms in the corners, Y atoms in the body-centered positions, and Z on the faces of the cell. if we write the empirical formula of the compound as XaYbZc, what are the values of the coeffiec..
what is the final temperature of the block after the evaporation of the alcohol. Assume that the heat required for the vaporization of the alcohol comes only from the aluminum block
Calculate the work (in kJ) when 1.70 moles of hydrogen gas are produced from the reaction of sodium in excess water at 298 K
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