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A centrifuge in a medical laboratory rotates at an angular speed of 3,500 rev/min.
When switched off, it rotates through 54.0 revolutions before coming to rest. Find the constant angular acceleration (in rad/s2) of the centrifuge.
What observed rotation is expected when a 1.18 M solution of (R)-2-butanol is mixed with an equal volume of a 0.590 M solution of racemic 2-butanol, and the resulting solution is analyzed in a sample container that is 1 dm long
Choose the correct expression for Keq and description (homogeneous or heterogeneous) for the following reaction: Sn2+(aq) + H2(g)---> Sn(s) + 2 H+(aq)
one mole of n2 and three moles of h2 are placed in a flask at 375 c. calculate the total pressure of the system at
What is the wavelength (in meters) of photons with the following energies? In what region of the electromagnetic spectrum does each appear
What was the composition of the mixture of Mg and Zn expressed as percent by mass? If the volume of acid used was 100 mL, what were the final molar concentrations of MgSO4 and ZnSO4?
Show by explicit integration that the 1s and 3s wave functions of the hydrogen atom are orthogonal. Note that in integrals over r
A mixture of methane and air is capable of being ignited only if the mole percent of methane is between 5% and 15%. A mixture containing 9.0 mole % methane in air flowing at a rate of 700.kg/h is to be diluted with pure air to reduce the methane c..
Assuming no energy is transferred to or from the surroundings, calculate the final temperature of the water after all the ice melts.
Problem- Alkanes are hydrocarbons containing only single bonds. Acyclic alkanes have carbon atoms arranged in chains, whereas cycloalkanes have carbon atoms arranged in one or more rings. A) How many hydrogen atoms are in an acyclic alkane with 7 c..
A canister is filled with 320 of ice and 100. of liquid water, both at 0 . The canister is placed in an oven until all the has boiled off and the canister is empty.
Gold forms a substitutional solid solution with silver. Compute the number of gold atoms per cubic centimeter for a silver-gold alloy that contains 44 wt% Au and 56 wt% Ag. The densities of pure gold and silver are 19.32 and 10.49 g/cm3, respectiv..
suppose you wanted to heat a mug of water 250 ml from room temperature 25 c to 100 c to make a cup of tea. how much
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