A ____ is a substance that is dissolved in a liquid.

Q: As pH decreases, a solution becomes more acidic.

A: The estimation of the concentration of “hydrogen ions” in the solution is known as the potential of…

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A: Gasoline is a fuel made from crude oil and other petroleum liquids. ranging between C4 and C12…

Q: __________ are chemicals that are taken into the body and used to produce energy or provide building…

A: Biomolecules are involved in the production of energy and as well as take part in the building block…

Q: Sodium chloride is dissolved in water to make a _________________________. In here, sodium chloride…

A: Sodium chloride (NaCl) is an ionic compound in which sodium (Na+) and chloride (Cl-) ions are held…

Q: You want to make 500 ml of an isotonic glucose solution to infuse into a patient. How many grams of…

A: The question asks to find the grams of glucose needed (in g) to make 500 ml of an isotonic solution…

Q: A solution measuring pH 12 is _________ times __________ concentrated with H+ than a solution…

A: The term "pH" was first described by Danish biochemist Soren Peter Lauritz Sorensen. pH is defined…

Q: Think about the sequence of postmortem changes you saw in the powerpoint. a. Create a descriptive…

A: At the moment of death that is when the heart and the brain stops working all muscles relax and the…

Q: when chemical, transport, or mechanical work is done, _____ gets lost to the environment.

A: In cellular respiration, the biomolecules are broken down into various steps to generate ATP and the…

Q: You are asked to administer 75 mg of lidocaine. It is packaged 10 mg per 1 mL. How many milliliters…

A: To administer: 75mg lidocaine Avaliable as: 10 mg present in 1 mL. To find: How many milliliters to…

Q: Organic compounds are those substances composed of atoms of a single element. containing chains and…

A: Organic molecules are found in the tissues of animals, plants, bacteria, and fungi; they are also…

Q: Bubbles of CO2  are formed during the reaction between vinegar, water and Alka Seltzer. Provide an…

A: Alka Seltzer is a tablet that is normally used in so many science experiments, it causes a bubbling…

Q: A difference in chemical concentration between one point and another is called a concentration…

A: When concentration of particles is higher in one side of the cell membrane and the other side of…

Q: When should you label all the containers or laboratory glassware having chemicals in them? a. After…

A: Inside our laboratory, we should work very carefully and should not eat inside the lab.

Q: The negative logarithm of the hydrogen ion concentration of an aqueous solution defines the of that…

A: Negative logarithm of the hydrogen ion concentration concept to determine acidity of a solution was…

Q: In not more than 10 sentences, discuss briefly why is water called the universal solvent?

A: Water is an inorganic solvent with molecular formula H2O, made up of two hydrogen atoms and one…

Q: Acan of soda consists mostly of sugar dissolved in water, with some carbon dioxide gas that makes it…

A: Carbonated drinks consist of dissolved carbon dioxide, sugar, and water. The presence of carbon…

Q: A common procedure of for cleaning the grease trap in a sink is to add a product that contains…

A: Sodium hydroxide is also commonly called caustic soda. It is extremely corrosive in nature as well…

Q: Three _________ make a(n) ______________ which specifies for a(n) __________

A: The central dogma of molecular biology suggests that the DNA (genetic material) present in an…

Q: You can tell something is likely not biological in nature when it changes across ________________…

A: Fossils are the preserved fossils of long-dead animals. Since rocks are deposited in layers, the…

Q: In living organisms, buffers do which of the following? allow the pH of cells to change without…

A: Introduction pH is a measure of acidity or alkalinity of a solution. pH is defined as the negative…

Q: hydrophilic examples

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Q: True or false: Solid objects are made of molecules that are moving

A: Within the human body different macromolecules at present that perform specific function in the…

Q: If a solution contains equal concentrations of ions, the compound that will precipitate first is?…

A: When two ions come together in a solution, they may form a compound that is insoluble and…

Q: Starch is a large organic molecule composed of hundreds of glucose molecules.  Therefore, it can be…

A: Carbohydrates are the hydrates of oxygen.

Q: An aqueous solution is 3.50 % by mass hydrochloric acid, HCl, and has a density of 1.02 g/mL. The…

A: Mole fraction is expressed in the terms of moles. It is can be calculated from the formula that is…

Q: A dry powder that is reconstituted with saline is _______________

A: To reconstitute means adding dry powder to either water or saline in a given prescribed manner.…

Q: 80s hairsprays like Aquanet used to contain CFCs to help propel the hairspray out of the can as an…

A: An aerosol is a suspension of fine solid particles or liquid droplets in air or another gas.…

Q: In chromatography, samples that have higher molecular weights tend to move than smaller molecular…

A: Chromatography is a method to separate components of mixture.

Q: Unlike arterial fluids, cavity fluids do not generally contain ___..     aldehydes      alcohols…

A: Cavity fluids are those fluids which are used to treat the contents of the hollow lumens of the…

Q: Z( Electrode V (buffer) X (gel) Y. W Electrote

A: In electrophoresis, The DNA which is negatively charged, it moves from negative potential to…