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Problem- Calculate the momentum of an electron traveling 42.0% the speed of light. Report answer in kg(m/s)
I am stuck in between this question please help me out
In biochemistry laboratories, solutions of sucrose (table sugar, C12H22O11) are used in high speed centrifuges to separate the parts of a biological cell. How many liters of 3.48 M sucrose contain 170. g of solute
electrons having this speed would need to be treated as waves in atoms because the wavelength is on the order of the size of atoms.
Firefly luciferase is the enzyme that allows fireflies to illuminate their abdomens. Because this light generation is an ATP-requiring reaction, firefly luciferase can be used to test for the presence of ATP.
A solution is prepared by disolving 0.60 g of nicotine (a nonelectrolyte) in water to make 12 ml of solution. The osmotic pressure of the solution is 7.55 atm at 25 celcius. The molecular weight of nicotine is HOW MANY g/mol
Describe how would separate a mixture containing benzoic acid and a neutral substance, benzophenone. Both compounds are insoluble in water and solube in ether.
The uncertainty (standard deviation) in a single buret reading for a 50 ml buret is about +/- 0.02 ml. Two readings (initial volume and final volume) are required to deliver a specified volume or titrant.
The reaction below has the rate equation: rate=k min-1[C5H10Br2]. Given an initial concentration of C5H10Br2= .400 M and t1/2=2.25 hr, calculate the concentration of HBr produced after 35 min.
Having trouble with a couple of study guide questions for Chemistry. Hoping someone can assist: PART 1: Calculate the pH of a buffer solution that is 0.250 M in HCN and 0.170 M in KCN.
Calculate the [H3O+] and the pH for a buffer that consists of 0.13 M HF and 0.29 M KF. (Ka of HF = 6.8x10^-4)
write a balanced chemical equation for this reaction when ferrophosphorus reacts with pyrite making iron ll sulfide and
a gas has a volume of 534 ml at 25 degrees celsius and under a pressure of 73.0 cmhg. correct the volume to standard
A tertiary alkyl halide reacts with a weak base and nucleophile. The reaction will proceed via which of the following mechanisms? A) SN1 B) SN2 C) E1 D) E2 E) SN1 and E1
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