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Chemistry

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7.456 g sample of UF6 is added to water. 6.53 g of a solid containing U, F and O and 1.69 g of a gas are formed. The gas is 5% H and 95% F by mass. a. What is the empirical formula of the gas? In this case, the empirical formula is the same as the molecular formula (I got HF4) b. What is the molecular formula of the solid? c. Write a balanced equation for the reaction between UF6 and H2O.

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An Mgion has the same electron configuration as?

A) Ar

B) Na°

C) Ca2+

D) F-

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What is the empirical formula for a compound if a sample contains 1.0 g of S and 1.5 g of O?

SO SO3 S2O2 S2O 3

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Eddie Schmitt

Which of the following is a single replacement reaction?

a. 2SO2 + O2 - > 2S03

b. Zn + Cu (NO3) 2 → Zn (NO3) 2 + Cu

c. 2H2O2-> 2H2O + O2

d. AgNO3 + NaCl → AgCl + NaNO3

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Chemistry

Agustin Smith

Glucose and fructose are monosaccharides that have the same chemical formula, C6H12O6. However, they do not react the same chemically. Which of the following generalizations can explain this?

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Addyson Gentry

what is the empirical formula for a compound which contains 32% carbon, 42.66% oxygen, 18.67 nitrogen, 6.67 % hydrogen

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Naima Sweeney

What type of reaction is shown in this thermochemical equation? A + B + heat → C + D

endothermic

combination

decomposition

exothermic

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The valence electrons of representative ("a" groups) elements are

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Berg

The Canadian lynx is a large wild cat that lives in the cold regions of Canada. The snowshoe hare is the main prey species that is hunted by the Canadian lynx. The snowshoe hare eats grass, fern, and leaves. If the population of Canadian lynx were to completely disappear, what would most likely happen to the food supply of the snowshoe hare?

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Chemistry

Braxton Brady

How many moles of glucose, c6h12o6, can be burned biologically when 10.0 mol of oxygen is available? c6h12o6 (s) + 6o2 (g) ? 6co2 (g) + 6h2o (l) ?

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Chemistry

Skyler Singh

How many significant figures are in 434.00

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