Brigette

"Synthesis gas" is a mixture of carbon monoxide and hydrogen that is used to synthesize a variety of organic compounds. One reaction for producing synthesis gas is 3CH4 + 2H2O + CO2 = 4CO + 8H2 Using enthalpies of formation, calculate the enthalpy change...

The standard enthalpies of formation of gaseous propylene (C3H6) and propane (C3H8) are +20.4kJ/mol and -103.8 kJ/mol. Their respective combustion reactions may be written as follows, where one mole of either gas is consumed by oxyen to yield carbon dioxi...

Mrs. Willy bought 3.5 pounds of ground turkey and 2.5 pounds of white fish. The white fish is $4.60 per pound cheaper than the ground turkey. If she paid a total of $51.50 what is the price per pound she paid for the ground turkey and the white fish?

A tank initially contains 50 liters of water. A hose adds water to the tank at a rate of 2 liters per minute. Write a linear equation for the amount of water in the tank, W, liters in terms of t, minutes. Then use your equation to find how much water is i...

A restaurant has x number of tables that seat four people and 5 tables which seat two people. The restaurant can seat N number of people. Write a linear equation for N, number of people, in terms of x. Then, solve for x in terms of N and find x when N equ...

2 people 400 miles apart They both leave at the same time One drives 50 mph The other drives 100 mph How long till they meet?

Which of the following is a potential effect on children living in environments lacking in stimulation? A. Decreased appetite with the possibility of stunted growth. B. Increased appetite and the possibility of childhood obesity. C. A brain that's 20 perc...

Because of the potential effects of chromosomal abnormalities, a child's development begins: A. at conception B. at birth C. when embryo becomes a fetus D. when viability occurs --Is the answer C?

Lance bought 4 tablets from his local computer store for $460. At this rate, how much would it cost to buy 9 tablets?

I ended up getting 747.5 kJ/mol (4*-110.5) - (3*-74.81) + (2*-285.8) + (-393.5) -442 + 1189.53 = 747.53 kJ/mol

4x4x4x4 what is the value

Is the answer B then?