Physics
If a 1.5V battery stores 5.0kj of energy,for how many minutes could it sustain a current of 1,2A?
Chemistry
I got around 5.48g... I think it's wrong
Chemistry
When I use this formula do I have to convert torr to atm and mL to L?
Chemistry
If there are 5 liters of oxygen gas (O2) at 300 K and 400 torr, what will it weigh? Answer in units of g. Do I use the Ideal gas law formula for this problem?
Chemistry
How much Na is needed to react with H2O to liberate 179 mL H2 gas at STP? Answer in units of g Please help me with what formulas to use and what to do.
Physics
Work it out. How many joules of heat is given out when pieces of iron of mass 50g and specific heat capacity =460kgk cools from 80¡èc to 20¡èc?
Physics
Newton law of cooling and cooling collision.
Physics
240N
Science
Write on Newton law of cooling and cooling collision.
ALGEBRA
3/5X-5/4X<-13
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