Convert between mass and moles using the molar mass of a substance.
Q: Define concentration
A: The term concentration has different meanings in different context. Here, the biological or…
Q: List the four most abundant elements in the human body.
A: There are 118 elements found on the earth each with specific physical and chemical characteristics.…
Q: 1. SEP Compare Data Of the metals shown in the figure, which has the highest melting point? Which…
A: Of the metals given in the figure, molybdenum (Mo) has the highest melting temperature i.e. 2617°C
Q: Describe how to calculate pH from the concentration of H+ or OH−.
A: PH is defined as the negative log 10 of hydrogen (H+) ion concentration in the aqueous solution.
Q: . define acid and base and interpret the pH scale;
A: pH is considered as the potential or power of hydrogen ion.
Q: What are some U.S. units that are used to measure each of the following? A. length B. volume C.…
A: In the United States, the imperial system of measurement is followed. These units of measurements…
Q: Compare the characteristics of an acid, a base, and a salt.
A: Acid is a chemical compound which is naturally present in fruits, vegetables, and can be derived…
Q: Which is a pre-molar?
A: Premolars are permanent teeth present in back of mouth. 8 premolars are present in the oral cavity.
Q: ______ Can Separate Particles and Molecules That Differ in Mass or Density.
A: BASIC INFORMATION MATTER Everything that are present in our surroundings can be regarded as matter.…
Q: Interpret the pH scale.
A: Acid can be defined as any hydrogen-containing substance that has the tendency of donating the…
Q: Distinguish between acids and bases, and explain their role in pH
A: Acids are the substances that provide hydrogen ion. Bases are the substances that provides hydroxide…
Q: Predict whether a solution has a high or low concentration of free hydrogen ions by using its pH…
A: The pH of any solution is a proportion of the convergence of hydrogen ions in the solution A…
Q: What is the concentration of hydrogen ions [H+] in a solution that has a pH of 2? (write out using…
A: The pH, a standard unit that is used to specify whether an aqueous solution is acidic or basic, is…
Q: Explain the concept of pH, and how the pH of a solution relates to its acidity.
A: The pH of a solution is a proportion of its acidity or alkalinity (base). This pH test estimates…
Q: Convert 12 pints to an equivalent volume in quarts.
A: In USA there's a dry pint and a liquid pint which measure different.Dry pint measures 550.6 ml and a…
Q: Define pH and give some examples.
A: pH: pH ~ depicts about the 'potential of hydrogen' or 'power of hydrogen' Which…
Q: Describe the differences among acids, bases, and salts.
A: A solution is said to be a acidic, basic and salts and can be categorized on the basis of their…
Q: Describe the pH scale and how it was derived; define acid, base,and neutral levels.
A: pH is an important quantity that reflects the chemical conditions of a solution. The pH can control…
Q: Which log is used to measure porosity accurately
A: Sonic logging equipment provided the first porosity analyses, which were accessible in the 1950s.…
Q: Determine the following equivalents: (Round to the nearest tenth on weight 6.8 oz = 7.2 tsp = 8. 45…
A: To convert one unit to another, we must find the value of unit in comparison to 1 of the second…
Q: Why would a deviation in blood pH result in death?
A: The acidity and alkalinity of the blood is measured in terms of pH. the normal pH of the blood is…
Q: Use a t chart to distinguish between saturated fats and unsaturated fats.
A: Few important points: We know that lipids are diverse group of organic compounds which are…
Q: Describe ions and give an example
A: Anything that occupies space and has mass is defined as matter. All the things, living and non…
Q: Discuss the significance of ph?
A: pH is defined as the negative logarithmic concentration of hydrogen ions in a solution. So, pH…
Q: Why do we want to know the pH?
A: pH is defined as the quantitative measure of the acidity or basicity of aqueous or other liquid…
Q: Decide whether the following are chemical or physical mixtures.
A: The matters are everything around the ecosystem. The matters must have some weight and it has to…
Q: pH represents the:
A: Answer - pH stands for potential of hydrogen and it is calculated as negative logarithm of hydrogen…
Q: determine the density of a metal that has a mass of 2.17g and a volume of 0.35 cm^3
A: The unit of density is gm/cm3 .
Q: How much water does an average adult contain by mass? An infant? How much water can an adult lose…
A: Water is necessary for the body and is one of a balanced diet. Most of the bodily functions are…
Q: Define matter, mass, and weight.
A: Matter is what makes the atoms and compounds . Matter occupies space or volume and has mass . Matter…
Q: What is the effect of pressure on a liquid’s boiling point?
A: The boiling point is considered as the temperature at which the vapor pressure of the liquid becomes…
Q: State the relationship between hydrogen ion concentration and PH.
A: pH is the scale which measures the acidity and basic nature of an aqueous solution. pH in…
Q: Write out a recipe to create the following solution: 5ml of 300mM Sodium Citrate (molecular weight -…
A: Molarity It can be calculated using the formula: M=n/V(L) n=w/mol.wt. M =w/mol.wt. × v We have to…
Q: What is dry mass?
A: Ecology is the study of the relationship between the living organisms and the abiotic factors. The…
Q: What are trace elements? Name the trace elements. Enumerate the function and disorder of any one.
A: Trace elements are the elements that are present in the body in very small amount. They account for…
Q: ·A rectangular solid measures 8 cm long by 2 cm wide by 2 cm high. What is the…
A: Answer. 9/4 Explantion:- Given:- Rectangular Solid with measurement:- 8 cm long X 2 cm wide X 2…
Q: Object A has a mass of 40g and a volume of 30mL and object B has a mass of 15 g and a volume of 20…
A: Ans 30. Density is the mass per volume measurement. The average object density refers to its total…
Q: Explain the principles behind the melting curve and how this helps determine G+C content. Include an…
A: Melting curve inspection is an evaluation of the dissociation features of double stranded DNA, in…
Q: Explain the importance of bicarbonate buffer systems in the regulation of ph
A: Blood have various types of buffer system that maintains the pH of the blood to almost 7.4. it…
Q: Table 1: Mass (g) of bags A, B, and Cover time (min). f 15% 30% Mass of A (g) Mass of B (g) 11.6…
A: Tonicity is the property of the solutions. It can be defined as the extent of the solution to which…
Q: Convert the hydrogen ion concentration (moles per liter) of a solution to a pH value and describe…
A: Suppose a solution has a hydrogen ion concentration of 20 mM. One needs to calculate the pH of the…
Q: What is the correlation in hydration of proteins between the average weight and the ph? see the…
A: Myofibrillar protein : These are the main protein constituents of skeletal muscle tissue and…
Q: What factors affect the hardness of water? What is the effect of hardness of water to health?
A: The hardness of water: According to the WHO, the hardness of water is the measurement of the…
Q: Use the follow substance. * Volume of water heated 55 ml 16.9°C Initial Temperature of water Final…
A: A calorie is defined as a unit of energy. In terms of nutrition, calorie is directed to the energy…
Q: A chemist reported that carbon dioxide gas at −78 °C was kept in the laboratory. Which property of…
A: Gas is one of the forms of water. It has several properties such as expansion, easy to be…
Q: What is the role of indicator in determining if the substance is acid or base? (Note that the…
A: pH indicators are compounds which are natural dye. Those indicate if the solution is acidic or basic…
Q: Explain the transport of carbon dioxide from the tissues to the blood and through the lungs to the…
A: Carbon dioxide and oxygen transfer between tissues, lungs, and the atmosphere occur with the help of…
Q: The ph value of human blood is_____?
A: The maintenance of blood pH within the body is an essential for health. Multiple human body systems…
Convert between mass and moles using the molar mass of a substance.
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- Define the mole, and calculate the molar mass of a compound from the molecular formula.Calculate the percent by mass of a solution that is prepared by dissolving 385 grams ofpotassium iodide in 755 grams of water.If there are 15 mL in one tablespoon, how many milliliters are contained in 3.5tablespoons of a liquid medication? (b) How many milliliters would a patientreceive if he took this dosage four times a day for one week? (c) How many litersdoes this correspond to?