match term definition
match each type of electromagnetic radiation to its description.
match term definition
infrared radiation a) heat from warm objects, used to detect the location of objects
microwaves b) all the radiation humans can see, ranging from red to violet
ultraviolet light c) given off by very hot objects, such as the sun
visible light d) used in radar and to heat food
Answers: 1
Chemistry, 22.06.2019 09:20
How have the greenhouse gasses increased from the year 2000 to 2018
Answers: 2
Chemistry, 22.06.2019 11:40
Modern pennies are composed of zinc coated with copper. a student determines the mass of a penny to be 2.482 g and then makes several scratches in the copper coaling (to expose the underlying zinc). the student puts the scratched penny in hydrochloric acid, where the following reaction occurs between the zinc and the hcl (the copper remains undissolved): zn(s) + 2 hcl(aq) → h2(g) + zncl(aq)the student collects the hydrogen produced over water at 25 °c. the collected gas occupies a volume of 0.899 l at a total pressure of 79 j mmhg. calculate the percent zinc (by mass) in the penny. (assume that all the zn in the penny dissolves.)
Answers: 1
Chemistry, 23.06.2019 07:30
Chris is about to do an experiment to measure the density of water at several temperatures. his teacher has him prepare and sign a safety contract before beginning the experiment. which term is mostlikely part of the safety contract
Answers: 3
Chemistry, 23.06.2019 16:30
Ascientist measures the vapor pressure of a liquid. at 15° c, the vapor pressure was 19 kilopascals. at 25° c, it was 31 kilopascals. at 35° c, it was 59 kilopascals. which statement can be inferred from the observations?
Answers: 3
match each type of electromagnetic radiation to its description.
match term definition
match term definition
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