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1. State the symbol of a sodium ion, Na+ followed by the formula of a sulfate ion, SO42-
2. State the expression 147N+α, where α is the lowercase Greek letter alpha.
3. State the chemical equation 2H+(aq)+S2-(aq)→H2S(g).
Express your respond as a chemical equation.
determine what would be its temperature after absorption of 9.4 10-2 kwh of heat if 1.45 l of water is initially at
A reverse osmosis plant desalinates 5x10^6 L/day of feedwater containing 1500mg/L of salts yielding 3x10^6 L/day of product water with 75 mg/L of salt. What would the salt concentration be in the brine?
If your front lawn is 15.0 feet wide and 20.0 feet long, and each square foot of lawn accumulates 1350 new snow flakes every minute, how much snow (in kilograms) accumulates on your lawn per hour?
Draw the structures and write the IUPAC names of the two alkenes formed when 2-hexanol undergoes a condenstation reaction in the presence of an acid catalyst
Balance the following equation in basic solution. indicate which reactant becomes oxidized during the reaction, which reactant becomes reduced
The pressure in car tires is often measured in pounds per square inch (), with the recommended pressure being in the range of 25 to 45 . Suppose a tire has a pressure of 36.0 . Convert 36.0 to its equivalent in atmospheres. Express the pressure nu..
under what conditions of pressure and temperature do real gases most closely approximate ideal-gas behavior?a name the
Butane has a heat of vaporization of 22.44 kj/mol and a normal boiling point of -0.4 C. A 250 ml sealed flask contains 0.6 g of butane at - 22C. How much butane is present as a liquid
Due to decay of ^40K, cow's milk has a specific activity of about 6x10^-11 mCi per milliliter. How many disintegrations of ^40K nuclei are there per minute in 1.0 qt of milk
What is the molar mass of the following: a) O2, b) KH2PO4, c) Fe(ClO4)3, d) C4H8O4, e)Ga2(CO3)3, f) KBrO4. Please use significant figures.
Write the balanced chemical reaction for the reaction between hydrochloric acid (HCl) and calcium hydroxide, Ca(OH)2 when the products of the reaction are calcium chloride, (CaCl2) and water (H2O)
When synthesizing aspirin in the lab((Mixed 2g salicylic acid, 5mL acetic anhydride, 5 drops concentrated sulfuric acid, added distilled water after heating)). What is the theoretical yield of aspirin since salicylic acid is the limiting reagent?(..
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