12 7 points
Student 1 says that there is no difference between the processes of chemical and physical weathering. Student 2 disagrees. Which student is correct and why?
Student 1 is correct because sediment is created in both types of weathering.
Student 2 is correct because minerals are dissolved only in chemical weathering.
Student 2 is correct because rock breaks into pieces only in physical weathering.
Student 1 is correct because stone changes in appearance in both types of weathering.
Help please!!
Answers: 2
Chemistry, 21.06.2019 14:30, Staceyrycz2772
Which is true of the reactants in this displacement reaction? fe + 2hcl fecl2 + h2 a. the reactants are located to the left of the arrow in the chemical equation. b. the reactants contain 1 iron atom, 2 hydrogen atoms, and 1 chlorine atom. c. the reactants are the atoms, molecules, or compounds formed in the reaction. d. the reactants have the same physical and chemical properties as the products.
Answers: 1
Chemistry, 21.06.2019 22:30, Arealbot
Which statement best describes the oxidation numbers of the atoms found in magnesium chloride? a. magnesium has a 2- oxidation number and chlorine has a 1+ oxidation number. b. magnesium has a 2- oxidation number and chlorine has a 2+ oxidation number. c. magnesium has a 2+ oxidation number and chlorine has a 1- oxidation number. d. magnesium has a 1+ oxidation number and chlorine has a 1- oxidation number.
Answers: 2
Chemistry, 22.06.2019 05:00, hjamya17
In 1901, thomas edison invented the nickel-iron battery. the following reaction takes place in the battery. fe(s) + 2 nio(oh)(s) + 2 h2o(l) fe(oh)2(s) + 2 ni(oh)2(aq) how many mole of fe(oh)2, is produced when 5.35 mol fe and 7.65 mol nio(oh) react?
Answers: 1
12 7 points
Student 1 says that there is no difference between the processes of chemical and physi...
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