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Suppose a very flexible helium-filled balloon is released from the ground into the air at 20oC. If the initial volume of the balloon is 5.00L, and the pressure is 760mmHg. The balloon ascends to an altitude of 20km, where the pressure is 76.0mmHg and the temperature is 50oc. State what is the new volume(V2), of the balloon in liters, assuming it doesn't break or leak?
when filled with water (d=1.00 g/cm 3) the flask and it contents weigh 518.3 g. what is the flask's volume?
What volume of 3.02 M HNO3 can be made by diluting 142 mL of concentrated nitric acid (16.0 M HNO3)?
How do you prepare 2-Bromo-2-phenylpropane from benzene. Using Alcl3 as one of the reagents and going through an intermediate.
Determine the number of bonding electrons and the number of nonbonding electrons in the structure of BeF_2 please Enter the number of bonding electrons followed by the number of nonbonding electrons
nbspwhen titrating 0.15 m hcl with a calcium hydroxide solution of unknown concentration 35 ml of acid are required to
Determine the value of work (w) when a piston of volume 0.2 litres expands against an external pressure of 200 kPa to a volume of 3.4 Litres?
PbCO3(s)+2H^+(aq)+2H^+(aq) yields Pb^2++H20(l)+CO2(g), how many grams will dissolve when exactly 4.5 L of 2.00 M H+ is added to 3.00 g of PbCO3
What effect does the presence of lone-pair electrons have on the bond angles and the geometry of a molecule?
In a beaker of boiling water, there are many gas bubbles forming throughtout the liquid. What gas comprises the bubbles.
The density of the metal is 8.638 g/cm3 and the specific heat of the metal is 0.378 J/g C. If the metal foil absorbs 809.2 J of heat as its temperature changes from 21.20 C to 33.79 C, calculate the thickness of the metal foil in mm.
The X compound decolors in Bromine, bubbles in Na metal, changes from orange to green in Chromic Acid, and has no reaction with Lucas reagents.
At 760K, 85% of a sample of cyclopropane changes to propane in 79.0min. Calculate the value of the rate constant for this reaction. All isomerization reactions are first-order.
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