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How many atoms of neon occupy a volume of 14.3 L at STP?
a. 9.45 x 1023 atoms
b. 2.21 x 1025 atoms
c. 3.88 x 1024 atoms
d. 3.84 x 1023 atoms
e. 1.92 x 1025 atoms
Describe the reactant and products of the chemical reaction. Was the reactant (potato chip) completely consumed? What evidence supports your answer?
Uses of de-Broglie equation in electromagnetic specra - Find the mass of oxygen and decomposed potassium chlorate along with the pressure in the glass bulb.
So he concluded that entropy of ice must be greater than that the entropy of water liquid at 0 C. do you agree with his conclusion?
Find the equilibrium partial pressures of ALL species if at the start of the reaction PCO = 2.69 atm and PCOBr2 = 2.05 atm. Round your answers to three significant figures. CO(g) + Br2(g) ? COBr2(g)
A solution containing a mixture of metal cations was treated with dilute HCl and a precipitate formed. The solution was filtered and H2S was bubbled through the acidic solution.
butane has a heat of vaporization of 22.44 kJ/mol and a normal boiling point of -.4 degrees Celsius. A 250 mL sealed flask contains .75 g of butane at -22 degrees C.
Calculate the resulting pH if 150 mL of 1.50 M HClO4 is mixed with 500 mL of 0.125 M Ba(OH)2.
Using the average initial pH of your acetic acid solutions, and the average molarity of those solutions, calculate a value of Ka for acetic acid. when initial pH is 2.63 and average molarity is 0.06475.
A compound is constituted by mass of 22.6% phosphorus, the rest being chlorine. Given that a volume of 307 mL of the gas has a mass of 1.55 g at 25 °C and 90 kPa, find the molecular formula for this compound
what is the volume of HCl gas required to react with excess magnesium metal to produce 6.82 L of Hydrogen gas at 2.19 atm and 308 K?
when hydrochloric acid comes in contact with potassium permanganate, what dangerous chemical is released?
The vapor pressure of dichloromethane, rm CH_2Cl_2, at 0 rm ^{circ}C is 134 rm mmHg. The normal boiling point of dichloromethane is 40. rm ^C. Calculate its molar heat of vaporization.
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