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z Medical Questions

Questions:                                                                               TimeLeft:      Posted:
Chemistry
a diver is able to cut through water ina swimming pool. which property of matter does this observation show? more... expired May 1st
1. A cylinder contains a mixture of hydrogen and chlorine molecules. Compare without doing any calculations the following:
a. the relative mass o more...
expired Apr 19th
As the pressure of a gas at 101.3 kPa is changed to 50.65 kPa at constant temperature, the volume of gas???

A.increases
B.remains the sam more...
expired Mar 30th
Calculate the concentration of ALL species in a .25 M solution of ethhylammonium chloride (EtNH4Cl). The Kb value for the weak base ethylamine is 5.6x more... expired Mar 15th
If you have 2.00g of carbon disulfide vapor at a pressure of 726.0 toor and a temperature of 70.0* C, what volume will this vapor have? more... expired Mar 10th
A mix of CO + O2 in a 1.00L container at 1000k has a total pressure of 51.5 atm. After some time the total pressure falls to 29.3 atm as a result of C more... expired Feb 19th
how do i balance the equation: K4Fe(CN)6 + KMnO4 + H2SO4 --> KHSO4 + Fe2(SO4)3 + MnSO4 + HNO3 + CO2 + H20
*please note all numbers are subscri more...
expired Jan 7th
how can the existence of spectr help to prove that energy levels exist in an atom? more... expired Nov 27th
what is the difference between the ionization trend and ionization energy? more... expired Oct 29th
The formula weight of ammonium hydroxide is 35.0 amu. How many moles of ammonium hydroxide are present in 43.19 g more... expired Oct 3rd
Oxygen and sulfur have similar chemical properties because both elements have six electrons in their outermost electron shells. Indeed, both oxygen an more... expired Sep 19th
ok the question asks why is the body centered cubic lattice, which is common for alkali metals, not considered a \"most closely packed\" for more... expired Sep 17th
Silicon carbide (sic) is an important ceramic materialmade by allowing sand [silicon dioxide, SiO2 2 is a subscript)]to react with powdered carbon at more... expired Sep 7th
I am a biochemistry student of B.Sc 2 yr i need an answer to the complete hydrolysis of ATP and high energy compounds more... expired Aug 21st
In a nuclear reaction, energy is released by the combination of two elements into a new element. This process is an example of more... expired Jul 26th
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