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JULIE

Questions (22)

A gas mixture with a total pressure of 745mmHg contains each of the following gases at the indicated partial pressures: CO2, 257
1. 0 answers
2. 768 views
A 1.5-L container of liquid nitrogen is kept in a closet measuring 1.3 m by 1.3 m by 1.8 m.Assuming that the container is
1. 0 answers
2. 1,145 views
A 260-mL flask contains pure helium at a pressure of 743 torr. A second flask with a volume of 480 mL contains pure argon at a
1. 2 answers
2. 4,556 views
Consider the following chemical reaction.2H2O(l) -->2H2(g)+O2(g) What mass of H2O is required to form 1.6 L of O2 at a
1. 1 answer
2. 1,286 views
An experiment shows that a 114 mL gas sample has a mass of 0.168 g at a pressure of 697mmHg and a temperature of 30 C.What is
1. 2 answers
2. 694 views
Ozone is depleted in the stratosphere by chlorine from CF3Cl according to the following set of equations:CF3Cl+UV light-->CF3+Cl
1. 1 answer
2. 3,779 views
A syringe containing 1.75 mL of oxygen gas is cooled from 96.4 C to 0.4 C.What is the final volume of oxygen gas? in mL
1. 1 answer
2. 402 views
Use the molar volume of a gas at STP to calculate the density (in g/L ) of carbon dioxide gas at STP.
1. 2 answers
2. 6,028 views
The air in a bicycle tire is bubbled through water and collected at 25 C.If the total volume of gas collected is 5.65 L at a
1. 2 answers
2. 3,558 views
A gas mixture with a total pressure of 745 mmHg contains each of the following gases at the indicated partial pressures: CO2,
1. 0 answers
2. 981 views
A sample of nitrogen gas in a 1.86-L container exerts a pressure of 1.32 atm at 20 C.What is the pressure if the volume of the
1. 1 answer
2. 618 views
A sample of N20 gas has a density of 2.65 g/L at 298 K.What must be the pressure of the gas (in mmHg )?
1. 2 answers
2. 2,253 views
A heliox deep-sea diving mixture contains 2.0 g of oxygen to every 98.0 g of helium.What is the partial pressure of oxygen when
1. 2 answers
2. 2,536 views
A sample of gas has an initial volume of 33.0 L at a pressure of 1.1 atm.If the sample is compressed to a volume of 10.0 L, what
1. 1 answer
2. 564 views
Lithium reacts with nitrogen gas according to the following reaction: 6Li(s)+N2(g)-->2LiN(s)What mass of lithium (in g ) is
1. 4 answers
2. 12,531 views
What is the pressure in a 10.0-L cylinder filled with 0.470 mol of nitrogen gas at a temperature of 329 K?
1. 1 answer
2. 572 views
THE TOTAL AGE OF GROUP OF PARENTS IS 342.A NEW PARENT AGED 48 JOINS THE GROUP AND THE AVERAGE RISES BY 1. WHAT IS THE ORIGINAL
1. 2 answers
2. 919 views
THE SIDE OF A RIGHT-ANGLED TRIANGLE ARE 3XCM,3X-1CM AND 4X PLUS 1CM ,THE LAST SIDE BEING THE HYPOTHENUS FIND X.
1. 1 answer
2. 857 views
THE ARITHMETIC PROGRESSION 2,5,8,11 AND 3,10,17,24... HAVE SOME COMMAN VALUES.WHAT IS THE LARGEST VALUE LESS THEN 500 THAT THEY
1. 1 answer
2. 688 views
MEAN=80,SD=10, S=8, N=25E(M)= SE(M)=
1. 1 answer
2. 270 views
what is th scientific notation for the number 385,000i think 3.85x10^5
1. 1 answer
2. 523 views
HOW MANY DIFFERENT WAYS CAN THEY GO ON A SHELF PIG,COW,HORSE
1. 3 answers
2. 978 views

Answers (2)

12/3X+Y X=7 AND Y=4 WRITE YOUR FINAL ANSWER EXCALITY INTO ALGERBRA EXPRESSION
thank you

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