Classify each of the following as a chemical or physical change:
Melting Silver _______________ Neutralization of a base ______________
Convert the following:
7.538g = ______kg 257.0m = ______cm
How many significant figures in the following measures:
.035430 cm________ 27900 L_______
Convert the following to proper scientific notation:
53600 mg_________________ .00502 km_________________
Convert the following to standard notation:
9.31x10-5 g________________ 3.89x105 mL_________________
Predict the formula for the compound if the following are combined:
Magnesium and iodine ________________ Aluminum and oxalate _________________
Name the following compounds:
HNO3(aq) __________________ Al2(SO4)3 _________________
P4S3 __________________ CuF2 _________________
Write the formulas from the following names:
Magnesium hydroxide __________________ Tetraphosphorus hexafluoride_________________
Convert/Calculate the following: Show all work or NO credit. 8 pts each
Nicotine is 74.1% carbon, 8.6% hydrogen, and 17.3% nitrogen. If the molar mass is 162g/mol, calculate the molecular formula for nicotine.
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Classify each of the following as a chemical or physical change: Melting Silver _______________ ..
Classify each of the following as a chemical or physical change: Melting Silver _______________ Neutralization of a base ______________ Convert the following: 7.538g = ______kg 257.0m = ______cm How many significant figures in the following measures: .035430 cm________ 27900 L_______ Convert the following to proper scientific notation: 53600 mg_________________ .00502 km_________________ Convert the following to standard notation: 9.31x10-5 g________________ 3.89x105 mL_________________ Predict the formula for the compound if the following are combined: Magnesium and iodine ________________ Aluminum and oxalate _________________...