Hydrogen ions (H+) are ________ .a. in blood c. indicated by a pH scaleb. protons d. all of the above

Q: Which of the following elements is or are common to both lipids and proteins? A. Carbon only B.…

A: A macromolecule is an enormous particle, like a protein. They are made out of thousands of…

Q: 7. The pH of lemon juice is about 2.0, whereas tomato juice's pH is about 4.0. Approximately how…

A: pH scale can be used to specify the acidity or basicity of an aqueous solution. Acidic solutions are…

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: Which of the following can be attributed to water’s high specific heat? A- oil and water do not mix…

A: Specific heat definition : Amount of heat required to raise the temperature of 1 gram of a substance…

Q: Plasmaa. is composed mostly of proteins.b. has a pH of 12.c. is the liquid portion of blood.d. is…

A: Plasma makes up about 55% of the body's total blood volume. It is the clear, straw-colored component…

Q: hen dissolved in water a blank donates H+ and blank  accepts H

A: An acid is compound when mixed in a solution, it releases hydrogen ions (H+). Acid such as HCl is a…

Q: when carbon dioxide accumulates in extracellular fluids, the pH___. a: rises B: falls c: is…

A: The pH is always a product of two components, respiratory and metabolic, and the metabolic component…

Q: Which one of the following laws for dissolved gases in water is NOT true? O a Warm water can hold…

A: Water is the universal solvent. It is made up of two hydrogen and one oxygen molecule.

Q: Explain why two atoms of hydrogen tend to combine into a molecule of hydrogen gas (H2).

A: The fact that hydrogen exists as dihydrogen, H2, instead of H indicates that the mixture of 2…

Q: Which of the following statements is not true? a. Water is polar. b. Water stabilizes temperature.…

A: Importance of Water.

Q: The amount of energy needed to raise one gram of water one degree Celsius is calleda. a calorie. b.…

A: BASIC INFORMATION ABOUT ENERGY CURRENCY OF THE BODY  ATP  It stands for Adenosine Tri - phosphate.…

Q: The most abundant element by weight in the human body is   a. carbon. b. hydrogen. c. oxygen.d.…

A: Human body requires nutrients to provide nourishment essential for the maintenance of life and for…

Q: Which of the following is most directly responsible for water's unique properties? A It contains…

A: Question- Which of the following is most directly responsible for water's unique properties? A)- It…

Q: d fat. Duodenal pH is m

A: pancreas secretes digestive enzymes into the duodenum and hormones into the bloodstream. The…

Q: C. the electrons in the outermost orbital. O d. the electrons in the first orbital. The figure below…

A: A water molecule has two hydrogen atoms and one oxygen atom. The water molecules present in a liquid…

Q: Water resistant temperature change because ____. A) large bodies of water cannot store heat B)…

A: Water is an inorganic chemical substance. It is the main constituent of the hydrosphere of the earth…

Q: A pH of 3 is a. basic b. neutral c. acidicd. a buffer

A: Introduction pH plays and important role in determining the concentration of H+ ions in the…

Q: Which is not a property of water? a. Low specific heat b. Hydrogen bonds form a lattice c.…

A: Water is a tasteless, colorless, odorless liquid, made up of two atoms of Hydrogen and one atom of…

Q: When a molecule of water dissociates, , H+ and OH- are formed. O 2,2 O 2,1 O 1,2 О 1

A: Water is a compound that is present everywhere in the environment. It is an inorganic, tasteless,…

Q: A chemical reaction that has a negative AG is best described as a Exothermic. b Endergonic. c…

A: The change in Gibbs free energy, ΔG depends upon the change in enthalpy(ΔH) and entropy(ΔS). ΔGo =…

Q: What is the major consequence of the H- bonding interactions among water molecules? A. Polarity of…

A: Option (e). All of these is the correct answer. Reason: There are many effects of hydrogen bonding…

Q: Imagine that you place a drop of red food coloring in a glass of water.At first, the red molecules…

A: Diffusion is a physical phenomenon of movement of molecules of a substance from an area of…

Q: Chemistry Most swimming pool experts recommend a pH of between 7.0 and 7.6 for water in a swimming…

A: pH is the quantitative measure of the strength of the acidity of the solution by measuring the…

Q: Which of the following is an organic molecule?a. CO2 c. H2Ob. O2 d. C6H12O6

A: Organic molecules are made up of carbon atoms that form long chains or rings.

Q: hoilday cookies rise(get bigger) in the oven at 350F because:     a wheat gluten in the cookie…

A: The correct option is (c) i e, the sodium aluminum phosphate (Na Al PO4) in baking powder releases…

Q: Mobile phase can be :  A) Solid or liquid B) Only solid C) Only gas D) Liquid or gas

A: Chromatography is a technique that is used to separate different components of a mixture as a result…

Q: Which will consume highest amount of 1₂ to become saturated? Which has the highest melting point?…

A: Saturated and Unsaturated fats Saturated fats are those that have single binds between their carbon…

Q: In the Chemical Changes experiment (E3) on copper, which of the steps can be omitted if our goal is…

A: The cycle of copper reactions basically a cyclic chain of multiple reactions involving copper, as…

Q: A solution at pH 7 is considered neutral because (a) its hydrogen ion concentration is 0 mol/L (b)…

A: Answer : D its hydrogen ion concentration is equal to its hydroxide ion concentration.

Q: Electrons move around the nucleus of an atom in pathways calleda. shellsb. orbitalsc. circlesd.…

A: Electrons are negatively charged.

Q: Which of the following reactions would decrease the entropy within a cell?   A) anabolic reaction…

A: Entropy is nothing but energy decrease in entropy means usage of energy, increase in entropy means…

Q: A substance that has weight and occupies space is calleda. kinetic energy.b. a catalyst.c. matter.d.…

A: Chemistry is the branch of science that helps to study the structure, composition, and properties of…

Q: The lower the pH

A: Lower the pH, higher is the concentration of the hydrogen (H+) ions, which means the solution is…

Q: The pH of blood varies directly with (a) HCO3−, (b) PCO2, (c) H+, (d) none of the above.

A: Blood is the fluid connective tissue derived from the mesoderm. The average human has about 5 liters…

Q: In the human body,the -log of the hydrogen ion concentration ([H+]) is regulated by  a. pH b.…

A: The human body naturally has the system to maintain the acidity and basicity of the cells or body…

Q: People on high-protein diets are advised todrink lots of water. Why?

A: Protein is an essential nutrient that is required to repair damaged cells and also for the growth…

Q: The hydrogen ion contained in hydrochloric acid comes from ... a) ... pyruvic acid. b) ... carbon…

A: Hydrochloric acid (HCl) is one of the main components of gastric juice produced by the oxyntic or…

Q: A slice of pizza has 500 kcal. If we could burn the pizza and useall the heat to warm a 50-L…

A: Specific heat is a physical property of substance. It is the amount of heat needed per unit mass to…

Q: Which of the following statements below is true?

A: Rock salt is a halite which is a mineral and form of common salt called as sodium chloride. This…

Q: Which of the following statements is incorrect? a. Isotopes have the same atomic number and…

A: Every chemical has more then 1 isotope. Atmos is the smallest unit of a chemical compound. Electrons…

Q: Consider an electron transition from n = 3 to the n = 2 energy level in a hydrogen atom resulting in…

A: The electrons of hydrogen atoms revolve around their nucleus. They occur as a set of electrons with…

Q: Together, just four elements make up more than 95percent of the body’s mass. These include…

A: BASIC INFORMATION The proteins formed in our body is made up of chains of amino acids which has the…

Q: All ions have at least one ________ (select all that arecorrect).a. proton c. electronb. neutron d.…

A: An ion is an atom/molecule that has a charge (positive/negative/neutral). Protons are positively…

Q: Pure water has a pH of 7, the point at which the concentrations of hydrogen ions and hydroxide ions…

A: pH is defined as the negative log of the hydrogen ion concentration. It ranges from zero to seven.…

Q: which of the following characterizes the most abundant substance in the human body?  a,serves as a…

A: The most abundant substance in the human body is water. A human body is composed of average 60-65%…

Q: When an atom donates an electron to another atom, itbecomesa. an ionb. an anionc. nonpolard. all of…

A: An atom is a particle of matter that exclusively describes a chemical element. All the atoms try to…

Q: c. Increasing temperature d. Increasing concentration of reactants intasts thtrot &tochon IlI.…

A: Hi. Thanks for your question. But as you have not mentioned which question needs to be answered, I…