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Describe solids, liquids, and gases in terms of how they fill a container, Use your descriptions to identify the physical state ( at room temperature) of the following: 1.helium in a toy balloon. 2. mercury in a thermometer. 3. soup in a bowl
Each 1.000 g of 238U that decays eventually produces 0.866 g of 206Pb. If the half-life of 238U is 4.468 x 10^9 years, what is the age of a mineral that has a 238U/206Pb mass ratio of 2.00?
A gas is confined to a cylinder under constant atmospheric pressure P. When the gas undergoes a particular chemical reaction, it releases 79 kJ of heat and does 18 kJ of PV work on its surroundings.
what are some of the benefits of using geothermal energy to produce electricity?what are some of the negatives
Sylvanite is a mineral that contains 28.0 gold by mass. How much sylvanite would you need to dig up to obtain 50.0 of gold
A 100 g sample of an unknown liquid absorbs 2000 J of heat energy, raising the liquid's temperature from 50 ?C to 70 ?C .What is the speci?c heat capacity of this liquid.
If i have 5.00g of Mg(OH)2, what volume of 0.1234 M HCL would I require to completely neutralize the magnesium hydroxide
Why can you not prepare a solution of pH=8 by diluting sufficiently a 0.01M solution of HCl with water
After treating an antacid with 5.00 ml of .1065 M NaOH, the untreated acid was diluted to exactly 250 mL with distilled water in a volumetric flask. 25.00 mL of that diluted acid required 17.03 mL of the same NaOH solution to neutralize it. Calcul..
Compound A, C8H10, absorbed 3 equivalents of H2 on catalytic hydrogenation over a Pd/C catalyst to give B (C8H16). On ozonolysis, compound A gave, among other things, a ketone which was identified as cyclopentanone.
an unknown amount of water is mixed with 350 ml of a 6 m solution of naoh solution. a 75 ml sample of the resulting
How many grams of dry NH4Cl need to be added to 2.10 L of a 0.500 M solution of ammonia, NH3 , to prepare a buffer solution that has a pH of 8.76? Kb for ammonia is 1.8*10 ^-5.
Calculate the density of Slackium Oxide. (g/cm^3) What is the Volume of unit cell (cm^3)
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