Chemistry, 23.08.2020 02:01 pinklover2002
Which of the following best describes an atom? Consists of elements Consists of compounds Biggest unit of a compound Smallest unit of an element
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Calculate the number of kilojoules to warm 125 g of iron from 23.5°c to 78.0°c.
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Chemistry, 22.06.2019 15:00
Large helium-filled balloons are used to lift scientific equipment to high altitudes. what is the pressure inside such a balloon if it starts out at sea level with a temperature of 10.0ºc and rises to an altitude where its volume is twenty times the original volume and its temperature is – 50.0ºc ?
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Chemistry, 22.06.2019 20:00
I’m an electrically neutral atomic any element, there are equal numbers of
Answers: 2
Which of the following best describes an atom? Consists of elements Consists of compounds Biggest un...
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