Chemistry, 25.09.2019 20:30, dreamxette3119
Which of the following are considered pure substance? ?
a. element
b. compound
c. homogenous mixture
d. heterogeneous mixture
Answers: 2
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219 grams of iron (iii) oxide reacts with excess carbon according to the reaction equation shown below. fe2o3 + c → fe + co2 after a scientist performs the chemical reaction they find the actual yield of iron to be 57.4 grams. calculate the percent yield of this chemical reaction.
Answers: 1
Chemistry, 22.06.2019 00:00, chameleonsarelife
Select the correct answer. which statement is true about a polarized object? o a. it gains electrons and becomes negatively charged. ob. it gains protons and becomes positively charged. oc. the number of positive and negative charges can be the same. od. it has to be a metal. o e. there is no change in the distribution of the charge in the object. reset next what
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Chemistry, 22.06.2019 09:30, matpakootas521
Why do cells appear different in distilled water than they do in 10% salt water?
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Chemistry, 22.06.2019 12:30, hala201490
Place the elements below in order of decreasing ionization energy. aluminum(al) chlorine(cl) magnesium (mg) sulfur(s)
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Which of the following are considered pure substance? ?
a. element
b. compound
c...
a. element
b. compound
c...
Mathematics, 27.01.2020 21:31
Mathematics, 27.01.2020 21:31
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