This woman is riding a bicycle down a hill and your constant speed in a straight line which situation will change the direction of the bicycle A. An added force of 20 into the side of the hill B. An added bonus of 20 and down the hill C. Added forces of 10 N Up the hill and 30 N down the hill D. I did forces of 30 and up the hill and 30 N down the hill

Which statement correctly describes the phosphate ion, ? it is composed of one phosphorus atom and four oxygen atoms covalently bonded together, and there is a –3 charge distributed over the entire ion. it is composed of one phosphorus atom and four oxygen atoms covalently bonded together, and there is a –3 charge on the phosphorus atom. it is composed of one phosphorus atom and four oxygen atoms ionically bonded together, and there is a –3 charge distributed over the entire ion. it is composed of one phosphorus atom and four oxygen atoms ionically bonded together, and there is a –3 charge on the phosphorus atom.

The activation energy for the reaction no2(g)+co2(g)⟶no(g)+co(g) is ea = 300 kj/mol and the change in enthalpy for the reaction is δh = -100 kj/mol . what is the activation energy for the reverse reaction?

How many moles of co2 are produced during the complete combustion of 3.6 moles of c2h6