To increase the concentration of a solution, you would O increase the amount of solute O increase the amount of solvent O cool the solvent O cool the solute
Q: OH how many chiral carbon atoms in the compound OH 2. O O O O
A: A chiral carbon atom is an asymmetric carbon atom that is attached to four different atoms or groups…
Q: A sample of pure aluminum has a mass of 10.1 g. Calculate the HINT (a) moles in the sample moles (b)…
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Q: Which is an example of a mixture? O A. Water O B. Salt O C. Milk O D. Aluminum
A: Mixtures are formed by composition of different substances, such that they possesses the identical…
Q: Many dry cereals are fortified with iron, which is added to the cereal in the form of small iron…
A: The iron particles are separated from the cereal with the help of magnets. we need to grind and…
Q: a) energy is used for heating the water up to its boiling point, and the remaining energy used is…
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Q: Select True or False: The solubility of gases in water always decreases with increasing temperature.…
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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: If you know that aluminum has an atomic radius of 0.143nm and an atomic weight of 26.98g / mol |…
A: According to the given question, Aluminium has an Atomic radius = R= 0.143 nm Atomic weight =…
Q: The mass of a liter of milk is 1.032 kg. The butterfat that it contains has a density of 865 kg/m3…
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Q: Which of the following is NOT true of a compound? O It is made of elements that keep their…
A: Compound: It is a material that form by chemical bonding between two or more than two chemical…
Q: The density of iron is 8 grams per cubic centimeter. The atomic mass of iron is 56 grams per mole…
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Q: What are characteristics of detergent solutions?
A: Detergents, like soaps, work because they are amphiphilic: partly hydrophilic (polar) and partly…
Q: A balloon is filled with a 15% salt/ 85% water solution. Explain what will happen to the balloon if…
A: For this we need to learn about hypotonic solution and it's affect on the inner concentration.
Q: Discuss electrolytes and nonelectrolytes in a solution.
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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: ___ Na(OH) + ___ FeCl3 → ___ NaCl + ___ Fe(OH)3
A: Given equation is Na(OH) + FeCl³ = NaCl + Fe(OH)3 NOW BALANCING ABOVE EQUATION
Q: A cement mixture calls for 54 pounds of cement for 3 gallons of water. What is the ratio of cement…
A: Given:- A cement mixture calls for 54 pounds of cement for 3 gallons of water Find:- What is the…
Q: Compared to a neutral solution (pH=7.0), something with a pH of 6.0 is 10 times as basic only…
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Q: An ionic bond is formed when electrons are 1. shared. 2. destroyed. 3. split. 4. transferred.
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Q: Bonds One atom of sodium would most likely form an ionic bond with one atom of: O Sodium can not…
A: In the given figure ,Electronic valency of all elements are given, Hydrogen(H) have valency 1.…
Q: Hexagonal-closed packed and face-centered cubic structures are considered as the most highly dense…
A: Answer In hcp the structure repeat itself after every two layers. The stacking of hcp may be…
Q: A sample of pure sodium has a mass of 11.0 g. Calculate the number of moles in the sample and sodium…
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Q: Epsom salts (magnesium sulfate) have a solubility of 26.2 grams. If you dissolved 26.0 grams of…
A: SOlution:
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: Complete the table below for aqueous solution of C6H12O6 (Glucos). Mass Solute Moles Solute Volume…
A: A solution is a mixture of one or more than one solute mixed in a solvent. The molarity of the…
Q: How many amperes are required to deposit 0.134 grams of manganese metal in 756 seconds, from a…
A: Given: mass of manganese m = 0.134 g time t = 756 sec
Q: Which of the following substances is NOT homogeneous? O 1. iron O 2. water 3. sand O 4. sugar
A: Homogeneous mixture is uniform composition
Q: The diagram shows what occurs when water is used to dissolve a crystal of salt. Which statement best…
A: A water molecule consists of 2 hydrogens atoms and an oxygen atom. They are bonded with covalent…
Q: how many atoms of each element is in the molecule 4SrO^-2
A: In stoichiometry of chemical compounds, any number written on the left-hand side with a symbol of an…
Q: The atoms in a water molecule are held together by covalent bonds. This means that the bonded atoms…
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Q: A 250 mL aqueous solution contains 2.37 g of copper(II) chloride. The dissolved copper(II) chloride…
A: The number of ions in 1.12 g of copper (II) ion is calculated as shown below. The number of ions in…
Q: An irregularly shaped piece of metal of density 7.8g/cm^3 weighs 429 grams when completely immersed…
A: Given data m=429 gmρ=7.8 gm/cm3
Q: constant volume) of a monoatomic molecule is less than that of a diat molecule is greater than that…
A: The molar heat capacity of a monoatomic gas is 3/2 R . For diatomic ideal gas is 5R/2. At constant…
Q: Spherical particles of a protein of density 1.8 g/cm3 are shaken up in a solution of 20°C water. The…
A: Given:Density of spherical particle of protein (ρ) = 1.8 g/cm3.Solution can stand for time (t) = 1.0…
Q: What is the mass of 3.0 moles of hydrogen molecules, H2? (atomic mass of H = 1 u)
A: Molar mass of H2 is 2.0 gm/mol. We have to find the molar mass for 3 mol?
Q: A sample of pure sodium has a mass of 17.4 g. Calculate the number of moles in the sample and sodium…
A: mass of sodium sample = 17.4 g
Q: When solid copper and zinc are mixed to form the metal alloy brass, what kind of mixture results?
A: Alloy is formed by mixing two or more materials together. It can be homogeneous or heterogeneous.
Q: Hexagonal-closed packed and face-centered .3 cubic structures are considered as the most highly…
A: Answer Most metals wants to have high coordination number. The highest coordination number possible…
Q: If no molecules in a body could escape, would the body have any odor?
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Q: A sample of pure sodium has a mass of 15.7 g. Calculate the number of moles in the sample and sodium…
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Q: 2. Give the total number of electrons, the number of valence electrons and the number of shells…
A: The question is, find the number of electron, number of valence electron and number of cell in…
Q: All of the following are bases except A. NaOH B. Al(OH)3 C. HBr D. Ca(OH)2
A: Given : Four options and to identify the acid from the list.
Q: Life on Earth is highly dependent on the unique properties of water. Because of the attractive…
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Q: correct solution and don't copy paste in chegg and previous solution, that solution are incorrect So…
A: Answer
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- Give a reason why soda drinks should be in plastic bottles rather than in aluminum cans?How much water should be evaporated from 900g of 40% solution to increase the strength to 90%? O 500 mL O 100 mL 600 mL 400 mLA 500 gal capacity tank initially contains a salt solution consisting of 200 gal of water and 3 lbs of salt/gal. A solution of 2 Ib/gal flows in at the rate of 3 gal/min and the resulting mixture flows out at the rate of 2 gal/min. What is the concentration in the tank when it starts to overflow? O 2.352 Ib/gal O 1.873 lb/gal O 1032 lb O 2.064 lb/gal
- TRUE OR FALSE SURFACE TENSION: I. A decrease is due to the weakening of the hydrogen bonds of water molecules II. It is increased when a surfactant is added III. Soap lowers surface tension of water resulting to the shrinkage of molecules on the surfaceQuestion: We want to make a tube which absorbs as much light as possible, how would we want to change its depth and width? The tube must be and narrow wide deep shallowA sample of pure aluminum has a mass of 10.1 g. Calculate the number of moles in the sample and aluminum HINT (a) moles in the sample moles (b) aluminum atoms in the sample atoms Need Help? Read It Watch It
- Direction: Encircle the statement/word which you think gives the correct answer to the question. Which one of the following statements best supports the idea that matter is made up of particles? Metals expand when heated. if a bottle of perfume is opened, the smell spreads quickly. Water always fills the space available to it. Gases are usually lighter than liquids. Which of the following is NOT a property of a compound? It can be broken down into simpler substances. It consists of multiple phases. It has definite temperature. It has a uniform appearance. Water behaves like most other molecules in all ways, except that ________. It interacts strongly with other water molecules. It can exist as a solid, liquid, or gas. Its temperature correlates with how rapidly its molecules are moving. Water in an open container is absorbed by the container, disappears, changes into air, or dries up, and goes into the air. 4.Which of the following provides evidence that air is a mixture?…Write the general molecular transport equation and identify the functions of each parameters considered in the equation.Which one of the following statements best supports the idea that matter is made up of particles? Metals expand when heated. if a bottle of perfume is opened, the smell spreads quickly. Water always fills the space available to it. Gases are usually lighter than liquids. Which of the following is NOT a property of a compound? It can be broken down into simpler substances. It consists of multiple phases. It has definite temperature. It has a uniform appearance. Water behaves like most other molecules in all ways, except that ________. It interacts strongly with other water molecules. It can exist as a solid, liquid, or gas. Its temperature correlates with how rapidly its molecules are moving. Water in an open container is absorbed by the container, disappears, changes into air, or dries up, and goes into the air. 4.Which of the following provides evidence that air is a mixture? Living organisms breathe in oxygen. Nitrogen and oxygen are both gases. Substances burn in the…