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Phosphorus-32 decays by beta emission to form sulfur-32. How many half-lives have passed in the reaction shown here
A latex balloon, inflated to an excess pressure of 1kPa and a radius of 30cm, is attached to a smooth nozzle, initially stoppered. The stopper is removed, and the balloon deflates in 5 seconds.
What is ?H for the process in this experiment. What is the molar enthalpy of solution for sodium hydroxide
Given a barometric pressure of 756.0{rm mmHg} , calculate the pressure of gas sample (a) as indicated by the manometer
an aqueous solution is 22.0 by mass silver nitrate agno3 and has a density of 1.22 gml. what is the molarity of silver
you have a 550 ml tank of gas with a pressure of 1.56 atm at 24.0degc. you thought the gas was pure carbon monoxide but
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.
A patient's blood test shows that she has elevated levels of LDL (low density lipoproteins) at 4.12 mmol/L. Convert this concentration to units of molarity (mol/L).
What type of chemical reactions is used to liberate energy from the fuel in the form of heat? What are the products of the reactions? Write a representative reaction equation.
Draw two conjugated dienes, and two nonconjugated dienes, each with the formula C7H12 and the base name hexane. Provide the systematic name for each diene.
What mass of NaOH is needed to precipitate the Cd2+ ions from 44.0 mL of 0.500 M Cd(NO3)2 solution?
If the spectrophotometer that was used was miscalibrated so that each absorbance reading was too high by 0.100 units
it says that isothiocyanatech3ncss carbon atom actively responses to material that has nonbonding electronsuch as oh-.
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