Question 4 (1 point)
nebulae are made of hydrogen, helium, and traces of heavier metal element...
Chemistry, 30.10.2019 19:31 destiniout04231
Question 4 (1 point)
nebulae are made of hydrogen, helium, and traces of heavier metal elements such as
iron that are
a) smaller than earth.
b) larger than the moon,
c) larger than the sun.
d) smaller than the moon.
Answers: 2
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Consider the four elements above. which one of these elements will combine with oxygen in a 1: 1 ratio?
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Nitrogen dioxide decomposes according to the reaction 2 no2(g) ⇌ 2 no(g) + o2(g) where kp = 4.48 × 10−13 at a certain temperature. if 0.70 atm of no2 is added to a container and allowed to come to equilibrium, what are the equilibrium partial pressures of no(g) and o2(g)
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Plzz a sample of table sugar (sucrose, c12h22o11) has a mass of 7.801 g. ● a) calculate the number of moles of c12h22o11 in the sample b) calculate the number of moles of each element in c12h22o11 (number of moles of c, number of moles of h & number of moles of o) in the sample. (use your answer from part a as your starting point.) show your work and highlight your final answer. calculate the number of atoms of each element in c12h22o11 (number of atoms of c, number of atoms of h & number of atoms of o) in the sample. (use your answers from part b as your starting for each element.) show your work and highlight your final answer.
Answers: 1
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