Chemistry, 19.09.2021 23:10 NetherisIsTheQueen
1.Which statement best describes an oxidation-reduction reaction?(1 point)
A. a chemical reaction in which there are fewer products than reactants
B. a chemical reaction that involves oxygen
C. a chemical reaction in which electrons are released from the system
D. a chemical reaction in which electrons are transferred between reactants
2.Beryllium (Be) has four electrons. Fluorine (F) has nine electrons. Which chemical formula shows the correct subscripts for the product of the reaction when beryllium and fluorine combine?(1 point)
A. Be2F
B. BeF
C. Be2F2
D. BeF2
Use the reaction to answer the question.
2KCl โ 2K + Cl2
Which type of reaction is shown?
(1 point)
A. combination
B. displacement
C. decomposition
D. combustion
Answers: 2
Another question on Chemistry
Chemistry, 20.06.2019 18:02
How do you find a theoretical mass? is there a difference between theoretical mass and theoretical yield?
Answers: 1
Chemistry, 21.06.2019 23:20
Harvey kept a balloon with a volume of 348 milliliters at 25.0หc inside a freezer for a night. when he took it out, its new volume was 322 milliliters, but its pressure was the same. if the final temperature of the balloon is the same as the freezerโs, what is the temperature of the freezer? the temperature of the freezer is kelvins.
Answers: 2
Chemistry, 22.06.2019 05:00
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
Chemistry, 22.06.2019 07:30
All cells are made of four types of acids, lipids, proteins, and carbohydrates.
Answers: 1
You know the right answer?
1.Which statement best describes an oxidation-reduction reaction?(1 point)
A. a chemical reaction...
Questions
History, 11.02.2020 00:34
Mathematics, 11.02.2020 00:34
Biology, 11.02.2020 00:34
Mathematics, 11.02.2020 00:34
Computers and Technology, 11.02.2020 00:34
Computers and Technology, 11.02.2020 00:34
