The amount of oxygen in the reactants is 4 atoms. In the products, the oxygen is distributed to water (H2O) and O2 gas. Which coeffici

Question

The amount of oxygen in the reactants is 4 atoms. In the products, the oxygen is distributed to water (H2O) and O2
gas. Which coefficients would be placed in front of water and oxygen?
O 2 in front of water and 2 in front of oxygen
O 1 in front of water and 2 in front of oxygen
O 1 in front of water and 1 in front of oxygen
O 2 in front of water and 1 in front of oxygen
.
US
01:30
o
DOLL

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Diễm Thu 4 years 2021-07-15T21:11:02+00:00 2 Answers 64 views 1

Answers ( )

    0
    2021-07-15T21:12:13+00:00

    Answer: is D

    Explanation:

    0
    2021-07-15T21:12:38+00:00

    Answer:

    The amount of oxygen in the reactants is 4 atoms. In the products, the oxygen is distributed to water (H2O) and O2 gas. Which coefficients would be placed in front of water and oxygen?

    2 in front of water and 1 in front of oxygen

    Kiley wants to balance the equation H2 + N2 → NH3. Which would be her first step in balancing an equation?

    NOT adding the coefficient 3 in front of H2 and the coefficient 2 in front of NH3

    Which is the balanced equation for V2O5 + CaS → CaO + V2S5?

    V2O5 + 5CaS → 5CaO + V2S5

    One half of a balanced chemical equation is shown.

    3Mg(OH)2 + 2H3PO4

    Which lists the numbers of each atom the other half of the equation would contain?

    3 Mg, 2 P, 14 O, 12 H

    Substances A and B react in a ratio of A + B → AB. Colin was combining substance A and substance B to form substance AB. He added 10 g of substance A and 45 g of substance B.

    How much of substance AB would Colin make?

    55g

    Lana balanced an equation so that the result was 2C2H3Br + 5O2 → 4CO2 + 2H2O + 2HBr. Which most likely represents the starting equation?

    NOT 2C4H3Br + 5O2 → 4CO2 + 2H2O + 2HBr

    NOT C4H3Br + O2 → CO2 + H2O + HBr

    Which best describes the law of conservation of mass?

    The mass of the reactants and products is equal and is not dependent on the physical state of the substances.

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )