When using a flame to heat a liquid in a test tube, which one is NOTsafe
A.
the test tube is...
When using a flame to heat a liquid in a test tube, which one is NOTsafe
A.
the test tube is open (no rubber stopper)
B.
the open end is pointed away from you and your lab partner
C.
the test tube is closed with a rubber stopper
D.
the hot tube must be cooled before placing it into an ice bucket
Answers: 2
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How many atoms of mg are present in 97.22 grams of mg? 6.022 Γ 1023 2.408 Γ 1024 4.818 Γ 1024 5.855 Γ 1025
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Which of these expressions are correct variations of the combined gas law? p1v1t2 = p2v2t1 both
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Which of the following statements about hybrid orbitals is or are true? choose all that apply. choose all that apply. under sp2 hybridization, the large lobes point to the vertices of an equilateral triangle. after an atom undergoes sp hybridization there is one unhybridized p orbital on the atom. the angle between the large lobes of sp3 hybrids is 109.5β
Answers: 2
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