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Bacteria and viruses are inactivated by temperatures above 137
∘
C
∘C in an autoclave. An autoclave contains steam at 1.00 atm
atm and 100
∘
C
∘C.
At what pressure, in atmospheres, will the temperature of the steam in the autoclave reach 137
∘
C
∘C, if n
n and V
V do not change?
Ca(s)+HgNO3(aq)→Ca(NO3)2(aq)+Hg(s)
Express your answer as a chemical equation
1. YYouhave ice at 263 K (-10.0 oC) and 1.0 atm. What could you do to make the ice sublime?
2. A sample of dry ice (solid CO2) is cooled to 173 K (-100.0 oC), and is set on a table at room
temperature (298 K; 25 oC). At what temperature is the rate of sublimation and deposition the same (assume that
pressure is held constant at 1 atm)?
3. What are the significant differences between the phase diagrams of water and carbon dioxide? Discuss
each briefly.
Calculate the volume of hydrogen gas produced at STP when 30g of Zn is added to dilute hydrochloric acid at 33⁰c and 775mmHg pressure (H=1 , Zn=65 , cl =35.5) molar mass of gas at STP= 22.4 dm³
Given that 45.6 mL of a 0.453 M potassium iodide solution reacts with 0.355 M lead (ll) nitrate solution, what volume of lead (ll) nitrate is required for complete precipitation?
Pb(NO3) + 2 Kl —> Pbl2 + 2KNO3
What is the mass of dextrose that is in 45.6 g of a 10.3% solution of dextrose?
How many hydrogen and oxygen atoms are in water molecule
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