Chemistry, 29.07.2021 04:30 jessezarate4513
for 23.1 g of a mixture of trivalent metal A and its oxide reacting with hcl, 54.75g of hcl is needed to obtain 3.36 l h2 at tc find the name of metal A, calculate the mass of each product
Answers: 3
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How many atoms of mg are present in 97.22 grams of mg? 6.022 Ć 1023 2.408 Ć 1024 4.818 Ć 1024 5.855 Ć 1025
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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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Observation and experimentation have led many scientists to accept a theory about the origin of the universe. this theory is called the big bang theory. scientific evidence collected and observed by scientists around the world suggests that the universe is ever expanding from a hot and dense initial state. what makes this a scientific theory? (2 points)
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for 23.1 g of a mixture of trivalent metal A and its oxide reacting with hcl, 54.75g of hcl is neede...
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