Chemistry, 20.01.2021 04:20 teriateria
What are the correct coefficients for each reactant and product when this equation is balanced? Make sure to select the correct order.
__MgO + __H2O -->__Mg(OH)2
A. 2,2,2
B. 2,3,4
C. 1,1,1
Answers: 2
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Convert the temperature of dry ice, –77 ∞c, into degrees fahrenheit and kelvin.
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When a beta particle is emitted, the mass number of the nucleus a. decreases by one b. increases by one c. remains the same d. decreases by two
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Chemistry, 23.06.2019 04:31
2ki + pb(no3)2 → 2kno3 + pbi2 determine how many moles of kno3 are created if 0.03 moles of ki are completely consumed.
Answers: 1
Chemistry, 23.06.2019 07:30
In a laboratory determination of the atomic weight of tin, a sample of tin is weighed in a crucible. nitric acid is added, and the reaction proceeds to give a hydrated tin(iv)oxide plus no2and h2o. the hydrated tin(iv)oxide is then heated strongly and reacts as follows: sno2.xh2o(s)ï‚®sno2(s)+ xh2o(g)the sno2is finally cooled and weighed in the crucible. explain the effect on the calculated atomic weight of tin that would result from each of the following experimental errors: (a)considerable spattering occurs when the nitric acid is added to the tin.(b)the hydrated tin(iv)oxide is not heated sufficiently to change it completely to tin oxide.
Answers: 2
What are the correct coefficients for each reactant and product when this equation is balanced? Make...
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