What would be the volume of 12 moles of a gas at STP

Carbon + oxygen = I am very confused I don't know how to do this

The men's world record for swimming 1500 m in a long course pool is 14 min 34.56 s. At this rate how many seconds would it take to swim 0.700 miles

Calculate your experimentally determined percent mass of water in Manganese (II) sulfate monohydrate. Report your result to 2 or 3 significant figures, e. g. 9.8% or 10.2%.

An aqueous KNO3 solution is made using 74.0 g of KNO3 diluted to a total solution volume of 2.06 L. what is the mass percent

A gas mixture called heliox, 6.11% o2 and 93.89% he by mass, is used in scuba tanks for descents more than 65 m below the surface. calculate the mole fractions of he and o2 in this mixture. he is 0.9980

When ironing clothes the primary method of heat transfer is conduction convection insulation or radiation

Question 13 The vapor pressure of ethanol at 25°C is 7.828 kPa. Calculate the vapor pressure in atm. Be sure your answer has the right number of significant digits.

Which rock composed of a mineral that can be used for the production of cement?

The temperature on Mercury may drop to - 265

The volume of water that must be added in order to dilute 40mL of 9.0M HCl to a concentration of 6.0 M is closest to: (A) 10 mL (B) 20 mL (C) 30 mL (D) 40 mL (E) 60 mL