Chemistry, 04.11.2020 09:50 PollyB2759
How much did Briana save by purchasing a backpack that cost $45 with a sales promotion of 20% off instead of a backpack that cost $42 with a sales promotion of 10% off?$1.80$3.00$4.80$6.90
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Chemistry, 22.06.2019 03:10
Agas diffuses 1/7 times faster than hydrogen gas (h2). what is the molar mass of the gas? 100.10 g/mol 98.78 g/mol 86.68 g/mol 79.98 g/mol
Answers: 3
Chemistry, 22.06.2019 10:30
Great amounts of electromagnetic energy from our sun and other bodies in space travel through space. which is a logical conclusion about these electromagnetic waves? their energy must be very their frequency must be very low these waves can travel without a medium they only travel through a vacuum of space
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Chemistry, 22.06.2019 15:30
The identities of substances are the same before and after which type of change
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Chemistry, 23.06.2019 06:30
The molar mass of cu is 63.55 g/mol. the number of grams of cu produced in this reaction is
Answers: 3
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