Chemistry, 27.08.2021 07:30 dbyram3913
What are the controlled variables in a experiment and WHY do they have to stay constant (the same)? What would happen if they were NOT kept the same?
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Zinc + lead(ii) nitrate yield zinc nitrate + leadwhat's the chemical equation for this?
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What is the wavelength of a 3*10^12 hz infrared wave a 3*10^20m b 1* 10^4m c 3*10^-3m d 1*10^-4 m
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Which of the following is described by the equation h2o(s)+ heat=h2o(i) a freezing melting condensing evaporating
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What are the controlled variables in a experiment and WHY do they have to stay constant (the same)?...