In a metal alloy, the ratio to zinc to copper is 3 to 18. IF there...
In a metal alloy, the ratio to zinc to copper is 3 to 18. IF there are 360 lb of copper, how much zinc is there ?
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Zinc=60lb
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In a metal alloy, the ratio to zinc to copper is 3 to 18. IF
there...
Common brass is a copper and zinc alloy containing 37.0% zinc by mass and having a...
Common brass is a copper and zinc alloy containing 37.0% zinc by mass and having a density of 8.48 g/cm3. A fitting composed of common brass has a total volume of 126.5 cm3 . How many atoms of copper does the fitting contain? How many atoms of zinc does the fitting contain?
please help!! 2. When zinc metal reacts with copper(II) nitrate, zinc(II) nitrate and copper metal are...
please help!!
2. When zinc metal reacts with copper(II) nitrate, zinc(II) nitrate and copper metal are the products. How many grams of zinc metal are required to react completely with 725 mL of 0.1955 M copper (II) nitrate solution? What mass of copper metal is produced? You will need a balanced equation to solve this problem! 3. One step in the process of manufacturing nitric acid (HNO3), a staple industrial chemical, is 3 NO2 (g) + H20 (1) ► 2HNO3...
Brass is a metallic alloy of copper and zinc. The relative percentages of copper and zinc...
Brass is a metallic alloy of copper and zinc. The relative percentages of copper and zinc determine the properties of the brass; resistance to corrosion and malleability, for example, are dependent on the relative amounts of copper and zinc. The percentage of zinc within a sample of brass may be determined using the techniques encountered in this experiment. 1. A 0.3400 g piece of brass is allowed to react with hydrochloric acid at the base of eudiometer. The hydrogen gas...
Brass is an alloy of copper and zinc. Varying the mass percentages of the two metals...
Brass is an alloy of copper and zinc. Varying the mass percentages of the two metals produces brasses with different properties. A brass called yellow zinc has high ductility and strength and is 34.0%−37.0% zinc by mass. (a) Find the mass range (in g) of copper in 487 g of yellow zinc. (b) What is the mass range (in g) of zinc in a sample of yellow zinc that contains 48.5 g of copper?
A materials scientist has created an alloy containing aluminum, copper, and zinc, and wants to determine...
A materials scientist has created an alloy containing aluminum, copper, and zinc, and wants to determine the percent composition of the alloy. The scientist takes a 11.282 g sample of the alloy and reacts it with concentrated HCl. The reaction converts all of the aluminum and zinc in the alloy to aluminum chloride and zinc chloride in addition to producing hydrogen gas. The copper does not react with the HCl. Upon completion of the reaction, a total of 8.70 L...
A materials scientist has created an alloy containing aluminum, copper, and zinc, and wants to determine the percent composition of the alloy. The scientist takes a 12.502 g sample of the alloy a...
A materials scientist has created an alloy containing aluminum, copper, and zinc, and wants to determine the percent composition of the alloy. The scientist takes a 12.502 g sample of the alloy and reacts it with concentrated HCI. The reaction converts all of the aluminum and zinc in the alloy to aluminum chloride and zinc chloride in addition to producing hydrogen gas. The copper does not react with the HCI. Upon completion of the reaction, a total of 9.78 L...
3. A metal strip containing a mixture (alloy) of magnesium and zinc was dissolved in l...
3. A metal strip containing a mixture (alloy) of magnesium and zinc was dissolved in l according to the procedure of this experiment. The sample has a mass of 0.1000 g, and produces 63.79 mL of hydrogen at STP. Calculate the mass of zinc and the mass of magnesium contained in the sample. Lab Report: The Atomic Weight o
Brass is an alloy of copper and zinc with smaller amounts of lead, tin, and other...
Brass is an alloy of copper and zinc with smaller amounts of lead, tin, and other elements. Generally, copper can be separated from the other components by electrolysis. A sample of brass is analyzed for copper by electrogravimetry. A portion of the alloy weighing 2.1049 g is dissolved in nitric acid, and the copper is plated onto a platinum gauze cathode weighing 13.4963 g. After electrolysis is complete, the cathode is removed from the solution, washed, and dried. It now...
#13 Write a chemical equation for the reaction of zinc metal with aqueous copper (II) nitrate...
#13 Write a chemical equation for the reaction of zinc metal with aqueous copper (II) nitrate to produce aqueous zinc (II) nitrate and copper metal. #17 Potassium chlorate decomposes to potassium chloride and oxygen, as shown in the equation below. 2 KClO3 (s) → 2 KCl (s) + 3 O2 (g) How many grams of oxygen are produced if 148 grams of potassium chloride are produced from the decomposition of 244 grams of potassium chlorate? #18 If the student collected...
A brass alloy contains 82.5% copper, Cu, by mass with the remainder of the alloy being...
A brass alloy contains 82.5% copper, Cu, by mass with the remainder of the alloy being zinc, Zn. Determine the number of moles of zinc in 41.2 g of the brass alloy. moles of Zn = Determine the number of atoms of zinc in 41.2 g of the brass alloy. atoms of Zn =
please help!!
2. When zinc metal reacts with copper(II) nitrate, zinc(II) nitrate and copper metal are the products. How many grams of zinc metal are required to react completely with 725 mL of 0.1955 M copper (II) nitrate solution? What mass of copper metal is produced? You will need a balanced equation to solve this problem! 3. One step in the process of manufacturing nitric acid (HNO3), a staple industrial chemical, is 3 NO2 (g) + H20 (1) ► 2HNO3...
Brass is a metallic alloy of copper and zinc. The relative percentages of copper and zinc determine the properties of the brass; resistance to corrosion and malleability, for example, are dependent on the relative amounts of copper and zinc. The percentage of zinc within a sample of brass may be determined using the techniques encountered in this experiment. 1. A 0.3400 g piece of brass is allowed to react with hydrochloric acid at the base of eudiometer. The hydrogen gas...
A materials scientist has created an alloy containing aluminum, copper, and zinc, and wants to determine the percent composition of the alloy. The scientist takes a 12.502 g sample of the alloy and reacts it with concentrated HCI. The reaction converts all of the aluminum and zinc in the alloy to aluminum chloride and zinc chloride in addition to producing hydrogen gas. The copper does not react with the HCI. Upon completion of the reaction, a total of 9.78 L...
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