How much water will a 115.8 kg block of gold displace? use the accepted value for the density of gold. Show calculation

Q: List the common steps taken in treating water for a public water system?

A: The common steps taken in treating water for a public water system have to be listed below.

Q: Describe ionic liquids and their solutions with examples?

A: An ionic liquid (IL) is a salt in the liquid state. These salts has melting point below some…

Q: How have you encountered water in its different stages of matter over the last week? How do…

A: Each ware molecule consists of two hydrogen atoms and one oxygen atom. The sp3 hybrid orbitals are…

Q: Describe the two characteristics of water that cause it to evaporate more slowly than other liquids.…

A: Answer Describe the two characteristics of water that cause it to…

Q: Ethanol is an alcohol found in drinks such as beer and wine. Examine this molecule. Are there any…

A: Chemical bond is attractive force that binds the ions or molecules together in a compound.Different…

Q: What are the two processes involved in distillation?

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Q: Why is tap water a homogenous mixture, whereas distilled water is a pure substance?

A: Homogeneous Mixture is a mixture in which the composition is uniform throughout the mixture.

Q: If mass of BCC Leaad Pb=207 g/ mol, and lattice parameter (a) =3.9211×10-8 cm,calculate the (الكثافه…

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Q: Describe an experiment that would enable you to determine the mass (g) of solids suspended in a 1-L…

A: There are two types of solid particles that are found when we dissolve the solid in water. The…

Q: Explain the following briefly a.) Why is ‘‘distillation’’ a purifying technique? Cite evidences

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Q: Substances like sodium chloride that (A) in water and conduct an (B) are called (C). Substances like…

A: Electrolyte is defined as a substance that dissociates into ions when present in a solution whereas…

Q: Determine the percent water in CuSO4∙5H2O to three significant figures.

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Q: What are the uses of recrystallization, decolorization, and sublimation?  Give  examples of each.

A: Recrystallization is process of removing insoluble solid impurities from an organic compound. The…

Q: Calculate the percent of water in Ca3(PO4)2 • 22 H20

A: Given molecule is Ca3(PO4)2 . 22 H2O

Q: Are the molecules that can hold the lesser number of drops in a coin is the same as the molecules…

A: Yes , due to less intermolecular forces among all  the one who can hold the lesser number of drops ,…

Q: What are the common uses of ionic liquids?

A: Ionic liquids are the compounds which have organic cation and other anions and the are generally…

Q: what is the chemical formula for water? What atoms make up this compound?

A: The chemical formula for water is to be given and the atoms that make up this compound are to be…

Q: 10. A student analyzed a limestone sample but forgot to dry it. He found 31.20% CaO, whereas the…

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Q: True or False: Water is considered a chemical element

A: Chemical element is a substance in the universe that can not decompose to simpler species ( that are…

Q: Calculate the Molar mass of a volatile liquid (g/mol) from the following data:- Mass of dry flask,…

A: Given: Mass of dry flask, foil, and rubber band (g) = 80.11 The temperature of boiling water (°C) =…

Q: Subject : Chemistry and Environmental Pollution Explain the role of atmospheric water in…

A: Role of atmospheric water in controlling the earth:  In the climate change, the atmospheric water is…

Q: Determine the polarity of the carbon monoxide, hydrochloric acid, and carbon dioxide molecules. Show…

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Q: Enumerate and discuss the unique properties of water. Give examples for each

A: Water is one of the few natural resources that can be found in sufficient quantities. It is a…

Q: What do the results of these three experiments demonstrate when compared to the true density of…

A: Accuracy is the closeness of the measurements to a true or actual value. Precision is the closeness…

Q: Ice melts to form liquid water Describe this physical change in terms of the arrangement of the…

A: Solid to liquid transformation is a physical change as we are adding some energy. This process is…

Q: Explain the term "the bends" for deep sea divers?

A: When people go for deep sea diving, air supply tank is taken along with them to allow breathe.  Air…

Q: Draw a diagram to show how energy is transferred by water particles as a wave moves through water

A: The amplitude of a wave is the distance moved by a point on a wave measured from its equilibrium…

Q: What are the Property’s of water?

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Q: Based on this. What was the percentage by mass of water in the sample?

A: Given sample is = MgSO4·7H2OMolar mass of  MgSO4·7H2OMgSO4·7H2O =  24 + 32 + 16×4 + 72+16…

Q: How many grams of NaCl would you need to add to 1.5 L of water to make 26 mM NaCl?

A: Molarity =. Number of moles / Volume in litres Number of moles  = Volume*Molarity Weight of the…

Q: 1. Based on the patterns you saw in the previous sections, which of those substances do you think…

A: We know that the substance that dissolve in water to produce ions, are known as electrolytes.…

Q: What are Hydrates? Give some examples?

A: Hydration: The chemical reaction in which there is an addition of water molecule is known as…

Q: Why is water good at dissolving salts, and why do salts make water more conductive? Draw a model to…

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Q: Which method would you use to determine water content in packaging material, pharmaceuticals and…

A: Karl Fischer method

Q: 3. Of these, which combination of elements do we think would make a compound most similar to water…

A: Water has a unique property  of hydrogen bonding due to which it is accepted  as universal solvent .…

Q: How to separate salt and sand from water using evaporation?

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Q: How much water would 29.21 grams of an insoluble sample with a density of 4.35 g/mL displace ?

A: Given information: Density is 4.35 g/mL Mass is 29.21 grams

Q: freezing point and boiling point of water on the Celsius scale?

A: The freezing point is the temperature at which a liquid substance turns into its solid phase. The…

Q: what is it about the atoms of lithium, sodium, and potassium that cause them to behave in such a way…

A: •Lithium, sodium and potassium are Group-1 elements and these are also known as alkali metal. •They…

Q: Give an example of a unique property of water and describe how it came about.

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Q: What are the interparticles interactions, solutions and other scientific principles of the RECIPE…

A: Popcorn is one of the world's favorite snack foods. It is perfect snack because it is whole grain,…

Q: Sketch a diagram of a water molecule and indicate the ends that bear partial positive and negative…

A: If two charges are taken that are equal and opposite in nature and are separated and kept at a…

Q: difference between polar and non polar water molecules?

A: Polar molecules: Molecules that have permanent dipole moment. Non polar molecules: Molecules that…