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A gas at 89.0°C occupies a volume of 0.67 L. At what Celsius temperature will the volume increase to 1.12 L?
How many grams of O2 will be required to completely react with 2.43 grams of Mg metal ribbon to produce MgO.
What weight of Pb(NO2)2 wil have to be dissolved in one liter of water to prepare a 100ppm Pb2+ solution.
What is the atomic radius of each atom that composes it If the length of a face centered cubic unit cell is 0.200 nm,?
What would the net ATP yield if a muscle cell takes a glucose molecule, stores it as part of a glycogen molecule and later releases it and sends it through glcolysis.
Determine how much of each type of solution must be used to fill the prescription and Special eye drop solution for a glaucoma patient must have a 2% active ingredient, a pharmacist is to prepare 15ml of it but the he has 10% solution & 1% solution..
Calculate the hydronium ion concentration and the pH when 25.0 mL of 0.50 M NH3 is mixed with 65.0 mL of 0.19 M HCl.
An electron in an excited state of a hydrogen atom emits two photons in succession, the first at 1817 nm and the second at 97.20 nm, to return to the ground state (n=1).
Determine how many grams of Phosphorus tri-fluoride will be produced when 40.1 g of F2 mix, and the reaction has a 78.1% yield?
Please review the occurrence and cycling of calcium in nature, along with its use. Analyze and evaluate the article as to it's contemporary relevance regarding the elements availability, health implications and environmental impact.
The air in an inflated balloon (defined as the system) is warmed over a toaster and absorbs 130J of heat. As it expands, it does 76kJ of work. What is the change in internal energy for the system?
Detrmine What mass of lithium (in g) is needed to react completely with 57.9 mL of Nitrogen gas at Standard atmospheric conditions?
Magnesium hydroxide is used in several antacid formulations. When it is added to water it dissociates into magnesium and hydroxide ions. Mg(OH)2(s) Mg2+(aq) + 2OH-(aq).
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