# Yahoo Web Search

1. ### A mixture of 512.0 g of O2(g) and 15.12 g of H2(g) is placed in a balloon at standard temperature and pressure . ?

...but there is more O2 present than that, so O is in excess and H2 is the limiting reactant. After the reaction there...

1 Answers · Science & Mathematics · 22/10/2020

2. ### Calculate the specific volume of natural gas under standard temperature and pressure ?

We have STP, and we know that 1 mole of gas occupies V = 22.4 L = 0.0224 ...

1 Answers · Science & Mathematics · 28/06/2020

3. ### Why does my lawn mower use SAE 5w-30 and my pressure washer SAE 10w-30?

..., your lawnmower engine is used on a snowblower, and needs the 5w oil.  Your pressure washer would always be used at a warmer temperature , so the standard 10w-30 oil is used.  Find an oil temperature chart and look at...

2 Answers · Home & Garden · 11/07/2020

4. ### Chemistry help please ?

...the standard conditions of temperature and pressure ). The "old" standard temperature and pressure were defined as 1 atm pressure and 273.15 K. Under these...

1 Answers · Science & Mathematics · 08/08/2020

5. ### Physics question?

... is 2.3kPa. The pressure due to air molecules is 110 - 2.3 = 107... n∝P for a given volume and temperature .  So you don’t need to use number of...

1 Answers · Science & Mathematics · 18/10/2020