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an x-ray technician will place a lead cloth over parts of your body wh...
Chemistry, 29.01.2020 14:02 danielleepham
Me ! i will give
an x-ray technician will place a lead cloth over parts of your body when taking an x-ray to protect your cells from being damaged. why do x-rays have the potential to harm your body but radio waves do not?
Answers: 3
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Which of the following will cause an increase in the acceleration of an object? increase force decrease force increase mass decrease mass
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Why is it incorrect to balance a chemical equation by changing the subscripts? explain.
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Solid tin exists in two forms: white and gray. for the transformation sn(s, white) → sn(s, gray) the enthalpy change is -2.1 kj/mol and the entropy change is -7.4 j/(mol*k). a. calculate the gibbs free energy change for the conversion of 1.00 mol white tin to gray tin at -30℃. b. will white tin convert spontaneously to gray tin at -30℃? c. at what temperature are white and gray tin thermodynamically equivalent at a pressure of 1 atm?
Answers: 3
Chemistry, 23.06.2019 12:30
Atriple covalent bond involves two atoms sharing three pairs of electrons. true false
Answers: 2
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