What is the steady-state accumulation of mercury in a person who eats 500 g of tuna daily that contains 0.2 ppm of mercury?

Q: Why do red blood cells swell up and burst when placed in pure water?

A: A red blood cell will swell and undergo hemolysis.

Q: 46. Assume that a person weight about 220 lbs and is working in temperature-controlled environments…

A: Water constitutes 60% of the body weight and is essential for the proper functioning of the various…

Q: How many Na+ ions are in a mole of Na2SO4? How many SO4 2-ions?

A: A substance composed two or more elements bonded together via chemical bonds is known as a compound.…

Q: At high concentration which oxides are poisonous?

A: The major contributors of the air pollution are nitrogen oxides. They have role in the formation of…

Q: How many kilojoules are released by freezing 2.5 mol of H2O?

A: Enthalpy of freezing (∆Hfree) is used to calculate energy needed to release when liquid becomes…

Q: An individual suffering from a high cholesterollevel in her blood has 242 mg of cholesterol per 100…

A: A waxy, fat-like substance which is produced from liver is known as cholesterol. It is found in…

Q: What is the purpose of calculating the percent citric acid?

A: Introduction Citric acid is a weak organic acid and a component of fruits and vegetables, mainly…

Q: The vapour pressure of water at blood temperature is 47 Torr. What is the partial pressure of dry…

A: Vapour pressure is a measure of the tendency of a material to change into the gaseous or vapour…

Q: Question is attached

A: Mole ratios are used as a conversion factor between products of the reaction and reactants of the…

Q: How is Ka defined? Write the equation for Ka for the generalized acid HA.

A: Ka is considered as the equilibrium constant.

Q: What is the mass in grams of 30.50 moles of KBr

A: The molar mass is defined as " It is the addition of all the atomic mass of atoms present in the…

Q: How does Valium work?

A: A tranquilizer is a drug that is used for the treatment of anxiety, tension, agitation, etc. Valium…

Q: Indicate the ionic species of phosphoric acid that predominates at pH 4, 8, and 11.

A: The acids are the molecules which donates hydrogen ions or accepts hydroxide ions when present in…

Q: What two quantities are being compared in the graph?

A: HIV or the human immunodeficiency viruses is a type of Lentivirus (a subgroup of the retrovirus,…

Q: Antacids are a common over-the-counter remedy for heartburn, a condition caused by an verabundance…

A: Antacids are a group of medicines that facilitate to neutralise the acid content of your abdomen.…

Q: If 65 percent of your body mass is water, determine how many kilograms of water you contain.

A: Water is the main component of the human body and it forms nearly 60% of body mass. Different organs…

Q: what is the ph scale?

A: The questions ask to define the pH scale.

Q: What does pH measure?

A: pH is defined as a measuring scale used to measure the two nature of solution as acidic and basic.…

Q: Nicotine, an alkaloid in the nightshade family of plants that is mainly responsible for the…

A: Nicotine is an alkaloid that is found especially in plants belonging to the nightshade family. It is…

Q: If a 0.2g of oil consumed 1ml of sodium thiosulphate, calculate its Iodine value and classify the…

A: Lipids are classified into fats, oil, and wax. Fats are also called triglycerides, where three fatty…

Q: 11.74 The table below lists the density of O2 at various temperatures and at 1 atm. The normal…

A: Oxygen molecule (O2) Oxygen molecule (O2) is a very essential molecule of nature, it make life…

Q: Why young people with anxiety attack can develop respiratory alkalosis?  Which of the following…

A: We all know that the body continuously works to maintain blood's acid - base balance. This…

Q: what does ph mean

A: We have to define pH.

Q: What is the equivalent of 7 ppb in µg sol/L?

A: ppb means parts per billion.

Q: Which has greater entropy, liquid water at 0°C or ice at 0°C?

A: The measurement of the thermal energy of the particular structure with temperature when there is no…

Q: Is the Oxygen atom chemically active or inert?

A: Oxygen is the most abundant element in the Earth’s crust and it is represented by the letter O. It…

Q: Explain the basis of the formula for TDS, TSS and TS.

A: TDS is defined as the portion of organic and inorganic solids passing through the same filter.

Q: If 5.0 g of calcium hydroxide are needed, how many moles of magnesium hydroxide would be produced?…

A: 1.27 Moles of Mg(OH)2 are produced from 1 mole of Ca(OH)2.

Q: What effects do alterations of the following key molecular substances have on fluid shifts and other…

A: Since we only answer up to 3 sub-parts, we'll answer the first 3. Please re-submit the question and…

Q: If 0.752 moles of (NH3OH)Cl is dissolved in 1 L of water what is the pH of the solution?

A: pH is considered the scale used to determine the acidity or basicity of a solution. It is…

Q: What is the written the equation for the reaction between Hydrogen and Oxygen that produces water?

A: Water (H2O) is composed of hydrogen and oxygen.  Hydrogen will react with oxygen when it is ignited…

Q: The molar stability of mercury (II) sulfide is below. What is the Ksp ?

A: Mercury II sulfide or Mercury sulfide (HgS) . It is almost insoluble in water. But, it can be…

Q: define the equilibrium constant KP for the chemical equilibrium ofideal-gas mixtures?

A: Kp is the equilibrium constant given by the partial pressures of a reaction. This gas constant is…

Q: How is pH defined?

A: Acidity is the measure of the amount of free hydrogen ions in a solution. It is measured on the…

Q: Define the mole, and calculate the molar mass of a compound from the molecular formula.

A: The mass of substance present in a sample of a given compound is divided upon the amount of…

Q: Considering the body’s pH balance is impacted by oxygen intake, why would the pH balance of blood…

A: Respiration is the basic process of human body which supports life. In this, oxygen is taken inside…

Q: Which are the Trace Elements: Less than 0.01% of Total Atoms in the Body?

A: On Earth, 92 elements are found in their native state. Only 11 of these elements are present in…

Q: what is the milliequivalent weight of sodium lauryl sulfate

A: Sodium lauryl sulfate (SLS), or sodium dodecyl sulfate, is an anionic surfactant. It is commonly…

Q: A helium gas cylinder of the sort used to fill balloons has a volume of 0.180 m3 and a pressure of…

A: The ideal gas law is equation of state of a hypothetical ideal gas where the Pressure, Volume,…

Q: What is the change in entropy when 150 mL of cold (278 K) water is added to 150 mL of near-boiling…

A: According to thermodynamics, entropy is the amount of unavailable energy in a system. It is denoted…

Q: How would you convert the density of Titanium from kg/m3 to g/ml? Density of Titanium = 4507 kg/m3

A: Density of Titanium =4507 kg/m3 The conversion of kilogram per cubic meter to gram per milliliter.…

Q: Does 30% NaCl (MW=58.44g/mol,ionic) have the same, increased, or decreased osmotic pressure as 30%…

A:

Q: It is estimated that an adult with an average daily diet has a sodium chloride intake of 15 g per…

A: Sodium chloride is an integral part of the daily diet. The body requires up to 2.3 g of sodium…

Q: If you mix 9 g of NaOH with 90 mL of water, what is the mass/volume (g/mL) concentration of the…

A: Given Values: Weight of NaOH = 9 gVolume  of the water to be mixed with 9 g NaOH= 90 ml

Q: How does an atom of iron in steel differ from an atom of iron in your blood?

A: Iron is a brittle, hard substance classified as a metal in Group 8 on the periodic table of the…

Q: What volume in liters would 20.0 moles of sulfur dioxide occupy at 75.3 °C with a pressure of 2.40…

A: Moles of sulfur dioxide (n) = 20 moles Temperature (T) = 75.3 + 273 = 348.3 K Pressure (P) = 2.40…

Q: How is The bicarbonate ion HCO3 an important base in the body?

A: HCO3- is the formula of the bicarbonate ion which is a polyatomic ion. It plays a significant role…