Ok so i'm confused because T=273K is already in Kelvin.
what is the chemical equation of copper II oxide and carbon monoxide (include phases)?
Calculate the percent ionization of 0.120 M lactic acid (Ka=1.4*10^-4).
For each point in a set of points, its distance from (-2,4) is three times its distance from the line x=6 1. find the equation 2. tell which conic section the graph will be.
Can anyone please help me how to calculate the turnover number? The enzyme reaction shown was performed in a 10 ml volume with a concentration of PDE5 of 0.1ug/ml. The enzyme has a molecular weight of 50000 and has one active site. Calculate the turnover numbers for PDE5 with ...
Where do the shortest wavelenghts accur ?
A 25.40 g sample of water containing tritium,(3/1)H , emits 1450 beta particles per second. Tritium is a weak beta emitter, with a half-life of 12.3 yr. What fraction of all the hydrogen in the water sample is tritium?
A 50.6 mg sample of sodium perchlorate contains radioactive chlorine-36 (whose atomic mass is 36.0 amu). If 29.6% of the chlorine atoms in the sample are chlorine-36 and the remainder is naturally occurring nonradioactive chlorine atoms, how many disintegrations per second are...
Cobalt-60, which undergoes beta decay, has a half-life of 5.26 yr. How many beta particles are emitted in 190s by a 3.10mg sample of Co-60? What is the activity of the sample in Bq?
I need help to graph the circle 4x^2+4y^2+16x-32y+71=0 Graph the circle