Sing your knowledge of chemical formulas, count the atoms of each element in HgO
Hg (Merc...
Physics, 05.05.2020 18:04 melissacornut
Sing your knowledge of chemical formulas, count the atoms of each element in HgO
Hg (Mercury)
O (Oxygen)
Question 2
/ 2 pts
Using your knowledge of chemical formulas, count the atoms of each element in Na2O2
Na (Sodium)
2
O (Oxygen)
2
Answer 1:
2
Answer 2:
2
IncorrectQuestion 3
0 / 3 pts
Using your knowledge of chemical formulas, count the atoms of each element in Al2(SO4)3
Al (Aluminum)
S (Sulfur)
O (Oxygen)
PartialQuestion 4
2 / 3 pts
Using your knowledge of chemical formulas, count the atoms of each element in Ca(OH)2
Ca (Calcium)
2
O (Oxygen)
2
H (Hydrogen)
2
Question 5
SELECT ALL THAT APPLY!!
What are the reactants in the following chemical equation?
NaClO3 --> NaCl + O2
NaClO3
NaCl
O2
IncorrectQuestion 6
0 / 1 pts
SELECT ALL THAT APPLY!! What are the products in the following chemical equation?
AgNO3 + K3PO4 -->Ag3PO4 +KNO3
AgNO3
Ag3PO4
KNO3
K3PO4
IncorrectQuestion 7
/ 1 pts
According to the Law of Conservation of Matter (also sometimes called the Law of Conservation of Mass), if there are 3 atoms of Oxygen on the REACTANTS side of a chemical equation, how many atoms of Oxygen must there be on the PRODUCTS side of the equation?
Answers: 3
Physics, 21.06.2019 23:50
Select the correct answer from each drop-down menu. compared to its surroundings, the concentration of solutes is low inside a cell. so, the cell is with respect to its surroundings. a particular solute in this cell uses energy for its transport from the cell to its surroundings. this type of transport is called
Answers: 3
Physics, 22.06.2019 10:30
Find the magnetic field a distance r from the center of a long wire that has radius a and carries a uniform current per unit area j in the positive z direction.
Answers: 2
Physics, 22.06.2019 13:10
A0.750 kg aluminum pan is removed from the stove and plunged into a sink filled with 10.0 kg of water at 293 k. the water temperature quickly rises to 297 k. what was the initial temperature of the aluminum pan? the specific heat of aluminum is ca = 900 j/(kgk) and water is cw = 4190 j/(kgk)
Answers: 3
Physics, 22.06.2019 18:30
Daughter element the new element produced along with a decay particle in a nuclear transmutation 2. half-life the substance that decays in a nuclear transmutation 3. parent element the change of one chemical element into another by nuclear decay or radioactive bombardment 4. transmutation the time required for the decay of one-half of the atoms in a sample of radioactive material
Answers: 2
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