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Given a column of air with a pressure of 1.57 *10^5 Pa and an area of 1.15 m^2 and given that the acceleration due to gravity is 9.8 m/s^2, what is the mass of this column?
What is the mass, in grams, of 55.0 mL of the liquid propylene glycol, a moisturizing agent for foods, which has a density of 1.036 g/mL at 25 degress Celcius.
Calculate: a. kg of pressed beans from stage 1 b. kg of extracted meal from stage 2 c. kg of final meal & wt% protein of it ans: 8723 kg, 8241 kg, & 7816 kg and 44.8 wt% protein.
95% wt solution of ethanol in water has density of 0.804gm/mL. Find mass of 1.00L of this solution and the number of grams of ethanol per litre ?
the decomposition of N2O5 in carbon tetrachloride proceeds as follows: 2 N2O5 -> 4 NO2 + O2. The rate law is first order in N2O5. At 64 degree celcius the rate constant is 4.82 x 10^ 3 s ^ -1.
Why are active on-duty firefighters likely to experience the adverse health effects from inhaling 300 ppm of carbon monoxide faster than nonactive off-duty firefighters who inhale the same concentration of the same substance?
when a current of 0.156A is passed through a solution of lead(II) nitrate, lead is deposited at the cathode. How long will it take to deposit 0.10g of lead?
calculate the ph of a solution that is prepared by mixing 2.16 grams of propanoic acid, CH3CH2COOH, and 0.56 grams of NaOH in enough water
Determination of Molecular SO2 Needed for Protecting Wine, You have just finished fermenting a wine and the pH = 3.7. You need 2mg/L "molecular" SO2 to protect the wine. What level of free SO2 do you have to add to achieve the level of the molecul..
What was the highest alcohol density reported and what was the lowest alcohol density reported by the two students?
A 4.40 g piece of solid CO2( dry ice) is allowed to vaporize(change to gas) in a ballon. The final volume of balloon is 1.00 L at 300L. What is the pressure of the gas?
Which one of the following is the highest temperature?
Otane has a density of 0.692 g/mL at 20°C. How many grams of O2 are required to burn 5.95 gal of C8H18?
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