When solid copper and zinc are mixed to form the metal alloy brass, what kind of mixture results?

Q: Atomic packing factor is a. none all the above o b. volume fraction of atoms in cell c. projected…

A: To define atomic packing factor.

Q: The flux commonly used in brazing is:   A) Ammonium chloride B) Borax C) Zinc chloride D) Resin plus…

A: Brazing is a joining process usually applied to metals in which molten filler metal (the braze…

Q: cool

A: Aluminium has higher specific heat capacity which means you require more heat energy to heat up a…

Q: Name three disadvantages that wood phone cases may have when compared to polycarbonate: 1. 2. 3.

A: Polycarbonates are basically the plastic covers we generally use. Let us find some disadvantages of…

Q: A sample of pure sodium has a mass of 15.2 g. Calculate the number of moles in the sample and sodium…

A: Given, mass of the sodium, m = 15.2 g

Q: What factors affect the melting point of a metal?

A: The factor the affect the melting point of a metal is the attractive force between the molecules…

Q: If no molecule in a body can escape, would body have any odor?

A: The odour is due to molecular diffusion, hence if the molecule could escape, the body will have…

Q: An irregularly shaped piece of metal of density 7.8g/cm3 weighs 429 grams when completely immersed…

A: Archimedes' principle states that when an object is fully or partially immersed in a fluid, it…

Q: What is a compound? Give three exampes?

A: Step 1A compound is a substance made up of two or more element.

Q: Consider the following atoms: A. Gold, B. Copper, C. Carbon, D. Silver. Consult the periodic table…

A: Part a) A. Mass No. of Gold = 197 B. Mass No. of Copper = 63 C. Mass No. of Carbon = 12 D. Mass No.…

Q: Given a hot cup of coffee, and a warm cup of coffee, which can dissolve more sugar?

A: A sugar is added into a hot cup of coffee, and a warm cup of coffee,

Q: a specimen of an alloy of silver and gold whose densities are 10.50 and 18.90g/cm³ respectively…

A: Fluids are the materials that have the property of being able to flow. This property is attributed…

Q: Which statement describes the relationship between bond strength and the melting and bowling points…

A: Option B Substances held together by ionic bonding have higher melting and boiling points than those…

Q: A sample of pure sodium has a mass of 11.0 g. Calculate the number of moles in the sample and sodium…

A:

Q: In reactions to form ionic compounds, non- metals generally

A: In reactions to form ionic compounds , non metals generally ? we have to complete above statement

Q: Three ingredients of black powder are___________,___________, and ___________.

A: Black powder is a mixture which is explosive in nature and used in firearms as well as blasting…

Q: Which property of metals enables production of metallic foils? A) Malleability B) Ductility C)…

A: Malleability is the property of the metal so that it can beaten into the form of thin sheets or…

Q: A sample of pure copper has a mass of 16.9 g. Calculate the number of moles in the sample and copper…

A: ....

Q: Red gold is a gold-copper alloy used to make jewelry. A piece of jewelry made of red gold weighs…

A:

Q: Ice is an example of Polar molecular solid only AO Non-polar molecular solid only .BO Neutral…

A: Ice is an example of which of the given options

Q: 2. Calculate the freezing point depression of a solution containing 0.125 mol of a non- electrolyte…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: an irregularly shaped piece of metal of density 7.80 g/cm^3 weighs 429g when completely immersed…

A: Given : dA=7.80 g/cm3              m=429g            (apparent weight)              dn=1.2 g/cm3 As…

Q: . The concentration of drug X in aqueous solution drops by 10% per month when stored at room…

A: The rate law or a rate equation for a chemical reaction is an equation that relates the forward…

Q: Compare this value with a standard value. Compute the percent difference between the two and discuss…

A:

Q: Write the equation and chemical formula for each of the following ionic compounds: 1. Lead (II)…

A:

Q: A sample of pure iron has a mass of 13.8 g. Calculate the number of moles in the sample and iron…

A:

Q: One component of a metal sculpture consists of a solid cube with an edge of length 0.263 m. The…

A: Given:- Edge of cube = 0.263 m = 26.3 cm density of cube = 6530 kg/m3

Q: Why is it that only sulphide ores are concentrated by ‘froth floatation process’?

A: Froth flotation is one of the most popular operational processes for mineral beneficiation. In…

Q: Choose the correct number of molecules in a mole of: Gold VChoose... 197 Water 6.02 x 10 23 18…

A: To find:  the number of molecules in a mole of different elements or compounds

Q: nocolate bar 6.0g/ lozenge om Oil 2.0g/ lozenge emental Calcium 333.Omg/lozenge the formulation…

A:

Q: If no molecules in a body could escape, would the body have any odor?

A:

Q: Metals can be given different shapes according to our needs because they posses the properties of:…

A: Metals can be given different shapes according to our needs because they posses the properties of…

Q: A sample of pure sodium has a mass of 15.7 g. Calculate the number of moles in the sample and sodium…

A:

Q: One component of a metal sculpture consists of a solid cube with an edge of length 36.9 cm. The…

A:

Q: The relative density of a substance is the ____.   A) ratio of its density to the density of water…

A: The relative density of a substance is the ratio of its density to the density of…

Q: Is there any difference between the intensive properties of saturated vapor at a given temperature…

A: The properties of a system which is not depend upon the mass of the system are called as intensive…

Q: Give a reason why soda drinks should be in plastic bottles rather than in aluminum cans?

A: A typical soda drink may contain acids like citric acid which can react with metallic containers and…