Chemistry, 01.10.2019 23:00 cravingnafi202
Lead has a density of 11.3 g/cm3 and a mass of 282.5 g. what is its volume? a. 2.5 cm3 c. 250 cm3 b. 25 cm3 d. 2500 cm3
Answers: 2
Chemistry, 21.06.2019 20:30
9. write the chemical equation for the following word equations. include symbols for physical states in the equation. a. solid zinc sulfide + oxygen gas -> solid zinc oxide + sulfur dioxide gas b. aqueous hydrochloric acid + aqueous barium hydroxide -> aqueous barium chloride + water
Answers: 1
Chemistry, 22.06.2019 03:00
Zoe is investigating the composition of substance a, an unknown substance. using chemical processes, she analyzes substance a and determines it is composed of sodium, oxygen, and hydrogen atoms in a ratio of 1 : 1 : 1. what is substance a? a. a compound b. an element c. a heterogeneous mixture d. a homogeneous mixture
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Chemistry, 22.06.2019 05:50
Why doesn't heat added to water make the tempature rise above 100c
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Lead has a density of 11.3 g/cm3 and a mass of 282.5 g. what is its volume? a. 2.5 cm3 c. 250 cm3 b...
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