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1. ### Prove, without using trigonometry?

...be ⊥ TR produced. I shall prove Δs ATQ, STP similar which will allow me to conclude ∠ ATQ = ∠ SPT = α. ...

4 Answers · Science & Mathematics · 07/12/2017

2. ### Exercise of algebra?

...4 - 2*(-10+8) = -5+4+4 = 3 (remark: look how slowly I made the calc. : stp by step, no need to hurry !!) so : D11 = 2 D21 = -13 D31 = -4...

1 Answers · Science & Mathematics · 13/11/2014

3. ### What is the volume in liters for each of the following gases at STP?

1 mole of gas at STP occupies 22.4 liters. 0.068 g / 39.95 g / mole = 0.0017 moles...

1 Answers · Science & Mathematics · 06/11/2014

4. ### MULTIPLE CHOICE If a gas has a molecular mass of 44.0, the volume of 88.0 grams of this gas at STP would be a) 11.2 b) 22 c) 44.8 d) 88?

Hint, 1 mole of any ideal gas occupies 22.4 L Or, determine how many moles you have and use the ideal gas equation PV=nRT to calculate the volume.

1 Answers · Science & Mathematics · 13/12/2014

5. ### Calculate Volume of 14 grams of Nitrogen at STP?

... ) ( Vmstp ) Vstp = ( 14.00 / 28.00 ) ( 22.4 L / gmol at STP ) Vstp = 11.2 L at STP <------------- You...

3 Answers · Science & Mathematics · 11/12/2014

6. ### how y can be 24? how to slove this question? please help! math !!?

...the 124° angle? Each interior angle of a regular pentagon is 108°, so ∠STP = 108°. x = 160 - 108 = 52° ∠SPT = 36° ∠TPW = 144° ∠UVW = 160...

1 Answers · Science & Mathematics · 13/06/2014

7. ### how to solve this math question?! please help!!?

...two. x = 60° - 45° Answer: x = 15° PART B: <STP has a measure of y°. The measure of <RTU will...

2 Answers · Science & Mathematics · 13/06/2014

8. ### What is the volume of 34g of ammonia, NH3 at STP?

.... *Be aware of the unit for P, V, and R. At STP, P = 1.00 atm, T = 0oC = 273.15K molar mass of NH3...

2 Answers · Science & Mathematics · 05/03/2014

9. ### Implicit Differentiation?

3y^3 = 7 - 4x^3 y^3 = (7/3) - (4/3)x^3 y = cbrt((7/3) - (4/3)x^3) y' = (-4x^2) / (3(7/3) - (4/3)x^3)^(2/3)) y'' = (56x) / (3(4x^3 - 7)((7/3) - (4/3)x^3)^(2/3))

2 Answers · Science & Mathematics · 06/03/2014

10. ### 250 gallon water tank that weighs 872 lbs when empty. With some water in tank, it weighs 1,785 lbs.?

1785 - 872 = 913 pounds of water water weighs 8.32 pounds per gallon at STP 913lb/8.32lb/gal = 109.7 gallons of water - .--

6 Answers · Science & Mathematics · 10/02/2014