A hydrocarbon with the general formula CxHy is 92.26% carbon. Experiment shows that 0.311 g hydrocarbon fills a 185 mL flask at 88.7 °C with a pressure of 486 mm Hg.
Calculate the molecular formula for this compound.
In: Chemistry
We roll two fair dice (a black die and a white die). Let
x = the number on the black die − the number on the white
die,record x as the outcome of this random experiment.
(a) What is the probability space?
In: Math
chemistry
please I need report for lap experiment :
1- testing salt for cations
2- testing salt for anions
3- titration
hint:
please send copy to my email
[email protected]
In: Chemistry
If an aqueous solution is 4.48% (w/v) in copper(II) sulfate, CuSO4 , what is the osmolarity of the solution?
Osmolarity = _______ osmol/L
In: Chemistry
Describe DNA denaturation, renaturation (annealing) and how base composition (A & T v. C & G) affects DNA stability
In: Chemistry
2.When is Phi appropriate?
3.When Cramer’s V appropriate?
4.What values can phi take on?
In: Statistics and Probability
Describe all processes in Otto cycle and Diesel cycle and plot its P-v and T-s diagram respectively
In: Mechanical Engineering
In: Accounting
Define enthalpy in terms of internal energy, heat, and P-V work. What measurable quantity is equal to enthalpy change?
In: Chemistry
How many grams of CuSO4 (dot) H2O are needed to prepare 50 mL of a 4% (w/v)solution of CuSO4?
In: Chemistry