(a) Calcium and chlorine react to give calcium chloride in a combination reaction. Write and balance the equation. (b) Heating decomposes Na2CO3 to sodium oxide and carbon dioxide. Write and balance the equation.

Q: Which of the following statements about concrete is FALSE?

A: Concrete is a mixture of paste and aggregates. The paste is composed of portland cement and water.

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Q: What mass of calcium hydroxide could be reacted by 1.000 g hydrochloric acid?

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A: The reaction taking place between HCl and NaOH will be  NaOH + HCl ------> NaCl + H2O Since molar…

Q: What is a chemical property of sodium?

A: Sodium is an element with atomic number 11 and represented by the symbol Na.

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A: Please find the file attached for explanation

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A: Molar mass of Ti=47.86g/mol given mass of Ti=791×106g Molar mass of Mg=24.305g/mol Given mass of…

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A: We have to write the combustion reaction of methane

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A: The molecular formula for calcium carbonate is CaCO3. The molecular formula for calcium oxide is…

Q: Hydrogen peroxide (H₂O₂) readily decomposes in the presence of a catalyst to form oxygen gas (O₂)…

A:

Q: write the balanced equation of the reaction

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Q: Balance the following equation using the smallest whole number coefficients: H3PO4 +  HCl ==> PCl5 +…

A: H3PO4 +  HCl ==> PCl5 + H2O When phosphoric acid is treated with the hydrochloric acid then it…

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A: The problem is based on the concept of limiting reactant (stoichiometry)

Q: If one ounce (28.4g) of butane is burned completely, what mass of CO2 is formed?

A: When butane (C4H10) is burnt then following reaction takes place 2C4H10 + 13O2 -> 8CO2 + 10H2O

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Q: Balance the equation C.Higft) + 0,(g} » CO,(g) + H,0/gj

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Q: How mant grams of Aluminum are required to produce 17.5 g of hydrogen

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A: To solve this problem we will first write the balanced chemical equation then according to the…

Q: Aqueous solutions of phosphoric acid and potassium hydroxide react to produce aqueous potassium…

A:

Q: Write the net chemical equation for the production of phosphoric acid from phosphorus, oxygen and…

A: The phosphoric acid is called as orthophosphoric acid and phosphoric (V) acid.  It is a weak acid.…

Q: Titanium is a strong, slightly corrosion resistant metal and is used in rockets, airplanes, jet…

A: We have to find the number of moles first.   No of moles of TiCl4 = Mass / Molecular mass of TiCl4…

Q: Hydrogen peroxide decomposes to produce oxygen gas and water. What mass of hydrogen peroxide (H2O2)…

A: H2O2  : Hydrogen peroxide  H2O : Water  Oxygen : O2

Q: Methylhydrazine, N2H3CH3(l), is used with the oxidizer dinitrogentetroxide, N2O4(l), to power the…

A: Methylhydrazine, N2H3CH3 (l), is reacted with dinitrogen tetroxide, N2O4(l), to produce N2, CO2, and…

Q: Can you balance the following chemical reaction equation? a, NO, + aHCIO aHNO, + agHCI

A: We are given an unbalanced chemical equation: NO3 + HClO ------------> HNO3 + HCl.

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A:

Q: How many grams of Ag2CrO4 can be produced from 1.200 grams of AgNO3?

A: Given,Number of grams of AgNO3 is 1.200 grams.The equation for the formation of silver chromate is:

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Q: What mass of carbon dioxide is produced from the complete combustion of 2.40×10−3 g of methane?

A: The formula for the mass of carbon dioxide as follows:

Q: How many grams of hydrogen gas are produced when 1.2grams of magnesium react with sufficient…

A: The chemical equation for given reaction is as follows,

Q: What is the percentage by mass of sand if 15 kg is mixed to make 58 kg of concrete?

A: Mass percent of sand = (mass of sand) × 100 / (mass of sand + mass of concrete)