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The chemical formula for hydrogen peroxide is H2O2. Explain what the letters and numbers in the chemical formula represent.
YES, products differ from reactants in all chemical reactions
water (H2O)
2Mg + O2 produces 2MgO
Na3PO4 is a product
Some of the products of the reaction were given off as a gas.
H represents hydrogen. O represents oxygen. The 2s indicate there are two atoms of hydrogen and two atoms of oxygen.
atoms that make up the original substances are regrouped into different molecules with different properties
The chemical properties of Pb(NO3)2 and NaI differ from the chemical properties of PbI2 and NaNO3.
Solid magnesium, Mg, reacts with oxygen gas, O2, to form the solid magnesium oxide, MgO. Which is a balanced chemical equation?
YES, products differ from reactants in all chemical reactions
water (H2O)
2Mg + O2 produces 2MgO
Na3PO4 is a product
Some of the products of the reaction were given off as a gas.
H represents hydrogen. O represents oxygen. The 2s indicate there are two atoms of hydrogen and two atoms of oxygen.
atoms that make up the original substances are regrouped into different molecules with different properties
The chemical properties of Pb(NO3)2 and NaI differ from the chemical properties of PbI2 and NaNO3.
During photosynthesis, water and carbon dioxide react to form oxygen and glucose. Is it a valid CLAIM that the products differ from the reactants of photosynthesis? Y or N
YES, products differ from reactants in all chemical reactions
water (H2O)
2Mg + O2 produces 2MgO
Na3PO4 is a product
Some of the products of the reaction were given off as a gas.
H represents hydrogen. O represents oxygen. The 2s indicate there are two atoms of hydrogen and two atoms of oxygen.
atoms that make up the original substances are regrouped into different molecules with different properties
The chemical properties of Pb(NO3)2 and NaI differ from the chemical properties of PbI2 and NaNO3.
Pb(NO3)2 + 2NaI produces PbI2 + 2NaNO3. Your CLAIM?
YES, products differ from reactants in all chemical reactions
water (H2O)
2Mg + O2 produces 2MgO
Na3PO4 is a product
Some of the products of the reaction were given off as a gas.
H represents hydrogen. O represents oxygen. The 2s indicate there are two atoms of hydrogen and two atoms of oxygen.
atoms that make up the original substances are regrouped into different molecules with different properties
The chemical properties of Pb(NO3)2 and NaI differ from the chemical properties of PbI2 and NaNO3.
When paper is burned, the mass of the remaining ash is less than the mass of the original paper. What is your CLAIM?
YES, products differ from reactants in all chemical reactions
water (H2O)
2Mg + O2 produces 2MgO
Na3PO4 is a product
Some of the products of the reaction were given off as a gas.
H represents hydrogen. O represents oxygen. The 2s indicate there are two atoms of hydrogen and two atoms of oxygen.
atoms that make up the original substances are regrouped into different molecules with different properties
The chemical properties of Pb(NO3)2 and NaI differ from the chemical properties of PbI2 and NaNO3.
2C2H6 + 7O2 produces 4CO2 + 6H2O. Which substance is a product in this reaction?
YES, products differ from reactants in all chemical reactions
water (H2O)
2Mg + O2 produces 2MgO
Na3PO4 is a product
Some of the products of the reaction were given off as a gas.
H represents hydrogen. O represents oxygen. The 2s indicate there are two atoms of hydrogen and two atoms of oxygen.
atoms that make up the original substances are regrouped into different molecules with different properties
The chemical properties of Pb(NO3)2 and NaI differ from the chemical properties of PbI2 and NaNO3.
The metal sodium (Na) and the gas chlorine (Cl2) react to form sodium chloride, known as table salt (NaCl). Why are the products different from the reactants?
YES, products differ from reactants in all chemical reactions
water (H2O)
2Mg + O2 produces 2MgO
Na3PO4 is a product
Some of the products of the reaction were given off as a gas.
H represents hydrogen. O represents oxygen. The 2s indicate there are two atoms of hydrogen and two atoms of oxygen.
atoms that make up the original substances are regrouped into different molecules with different properties
The chemical properties of Pb(NO3)2 and NaI differ from the chemical properties of PbI2 and NaNO3.
3NaOH + H3PO4 produces Na3PO4 + 3H2O. Your CLAIM?
YES, products differ from reactants in all chemical reactions
water (H2O)
2Mg + O2 produces 2MgO
Na3PO4 is a product
Some of the products of the reaction were given off as a gas.
H represents hydrogen. O represents oxygen. The 2s indicate there are two atoms of hydrogen and two atoms of oxygen.
atoms that make up the original substances are regrouped into different molecules with different properties
The chemical properties of Pb(NO3)2 and NaI differ from the chemical properties of PbI2 and NaNO3.
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