Q: Co Q10

A: Co Q10, also known as Ubiquinone, is a coenzyme present in animals and bacteria; in humans most…

Q: What are the pros of the Clean Water Rule?

A: The Clean Water Rule is a  regulation published by the U.S. Environmental Protection Agency  and the…

Q: After recent renovations to an office building, employees in the building begin complaining of…

A: The sick building syndrome is used to describe a situation in which the building occupants…

Q: A fuel oil is fed to a furnace and burned with 25% excess air. The oil contains 87.0 wt % C, 10.0%…

A:

Q: HYGIENIC NORMATIVE FOR PHYSICAL ENVIRONMENTAL FACTORS 1. maximum allowable concentration 2.…

A: A specific hygienic method is a method of sanitary examination and description that is utilized in…

Q: UV radiation forms and de-forms ozone naturally. a. true b. false

A: Ozone is a gas found in the atmosphere consisting of three oxygen atoms. It is layer in the earth's…

Q: One of the following devices is very sensitive and very fast for measuring temperature change, it…

A: Thermocouple it's miles a thermoelectric temperature measuring tool made from wires of different…

Q: The ideal range for temperature of a refrigerator should be * 0-10 degrees Fahrenheit O 20-32…

A: Food spoilage is the process where a food product becomes unsuitable to ingest by the consumer. The…

Q: Acid rain is a result of: 1.Excess amount CO₂ 2.Excess amount of NH₃ 3.Excess amount of SO₂ and…

A: Solid and liquid particles, as well as some gases floating in the air, contribute to "Air…

Q: What is an advantage of deep-well disposal of liquid hazardous wastes? O Liquid wastes are safer…

A: Hazardous waste are the waste which are noxious in nature and it's exposure may leads to life…

Q: Methane CH4 + 202 → CO2 + 2H2O Propane C3H3 + 502 – 3CO2 + 4H2O Decane C10 H22 + 15.502 10CO2 +…

A: The complete combustion of hydrocarbons produce Carbon Dioxide and water where in absence of proper…

Q: According to the EPA, what are the three most dangerous indoor air pollutants? Tobacco smoke,…

A: Poisonous, or hazardous, air pollutants cause or are associated with causing cancer, birth defects,…

Q: In oil and gas field , safety in work place is needed . Why?

A: A protected & healthy work environment not just shields laborers or staff from any injury &…

Q: Why is it recommended to have a carbon monoxide detector on each floor of a home?

A: Similar to how a smoke detector will sound an alarm when smoke is discovered, these carbon monoxide…

Q: pH = 7.499 PCO2 = 41.55 mmHg pO2 = 91.51 mmHg

A: ABG test is an arterial blood gas test that detects the amount of oxygen and carbon dioxide in the…

Q: Detergents are______.

A: Detergents are the surfactants or the mixture of surfactants. Surfactants are the compounds that…

Q: Toxic byproducts are made by some organisms that use oxygen for metabolism. true/ false

A: Cellular respiration is the process by which glucose molecules are broken down in the presence of…

Q: Match the items given in column A and B: Column A Column B (a) Catalytic converter (i) Particulate…

A: Pollution caused by various human activities is a major concern. Pollution has adverse effects on…

Q: The proper temperature for the refrigerator is: O 15-25 degrees Fahrenheit 25-35 degrees Fahrenheit…

A: Refrigerator is a device to preserve the freshness of food by providing the appropriate temperature.…

Q: Do you think rules and guidelines on laboratory safety and chemical handling are designed to hinder…

A: Laboratory handling and chemical handling is important for saving our life. Laboratory handling…

Q: Discuss briefly the following: (a) Radioactive wastes (b) Defunct ships and e-wastes (c) Municipal…

A: (1) Radioactive wastes: Radioactive wastes are created as a result of the nuclear energy production…

Q: long can a radiation worker stay in a 15 mSv/hr radiation field if we limit a dose to 1 mSv?

A: Stay time = Limit/ Dose rate  To calculate the stay time, we must convert millisievert (Sv) to mrem.…

Q: A worker in a nuclear power station receives the following radiations while working in 1 year: 85mGy…

A: Introduction :- Radiation is energy that originates from a source and travels at the speed of light…

Q: What can each of us do to decrease the production of acid precipitation? We can: ALL OF THESE! Are…

A: Acid precipitation or acid rain is a direct consequence of pollution of the atmosphere by human…

Q: What education should be provided to patients and families to avoid the extreme temperature…

A:

Q: 11 12 14 15 16 17 20 Please select the word from the list that best fits the definition Building…

A: Introduction :- AIR POLLUTION  The main sources of AIR POLLUTION are :- Answer :- cars, buses,…

Q: What frequency of EM radiation is emitted when an electron in a hydrogen atom jumps from n = 3 to n…

A: Frequency = 4.57 * 10^14 S-1.

Q: Discuss briefly the following:(a) Radioactive wastes(b) Defunct ships and e-wastes(c) Municipal…

A: Radioactive waste Radioactive waste is a type of waste that is very hazardous due to the presence…

Q: I have always enjoyed eating tuna fish. Unfortunately, a study of the mercury content of canned tuna…

A: Mercury and lead are heavy metal and their concentration in the blood above the minimal level can…

Q: pharmacy conversions 20. three and one-half fluid drams= fl3 22. one thousand units 22. one thousand…

A: Answer :- 20) 3 and 1/2 fluid drams Fluid dram= 5  3×1/2=7/2 fluid drams = 35/2 ml = 17.5 ml 3 and…

Q: Which of the following is the LD50 of the most potent toxin listed? 4.5 ng/Kg body weight 1.5 mg/Kg…

A: Questio -  Which of the following is the LD50 of the most potent toxin listed? O 4.5ng/Kg body…

Q: Explain why you agree or disagree with each of the following statements: a. We should not worry much…

A: The toxicity of a substance is its ability to cause harmful effects. These effects can strike a…

Q: Draw and discuss the airflow of Chemical Fumehood, Clean bench, and Class II Biological Safety…

A: Biosafety cabinet is a cabinet for microbiological and biological safety to enclosed a laboratory…

Q: Match the items given in column A and B:Column A                                 Column B(a)…

A: Pollution is the introduction of harmful materials in sufficient concentration levels into the…

Q: What acute dose below will cause radiation sickness but not death? 200 rem 2000 rem O200 mrem O 20…

A: At high radiation doses, a human cell can be damaged so severely that it will die. At lower doses,…

Q: Give examples for food contaminants and explain the following words; Acute toxicity ADI NOAEL

A: Food contamination is generally referred to the spoilage of foods due to presence of toxic chemicals…

Q: Food is often irradiated with either x rays or electron beams to help prevent spoilage. A low dose…

A: The equivalent and absorbed dose are equal for the x-rays RBE=1 a) To find the dose, 175 k rad=175 k…

Q: What does Euro/Bharat standard for vehicular pollution means?

A: Environmental pollution refers to contamination of the physical and biological components that…

Q: Which action would be an ineffective preventive measure for acid deposition? Reducing coal use…

A: Acid rain is caused when rain water mixes with certain gases like sulphur dioxide, nitrogen monoxide…

Q: Sweet gas Flue gas Chemicals Oxidizer vessel Absorber Sour gas Air Sulfur filter Circulating Air…

A: The given image is the process of gas sweetening to remove the contaminants so that the gas is…

Q: My freezer broke,so I had to empty $500 of ruined food from the 390 liter freezer Now that my…

A: Volume of freezer- 390 L 1 mol of nitrogen = 22.4 L

Q: 2 & 3/4 mg po q2h x 90 days #QS.   How many grams should the pharmacy dispense? (round to nearest…

A: A drug or medicine is a chemical compound that, when administered, has a biological effect on the…

Q: Allergens that typically enter the respiratory tract to initiate a reaction would be classified as:…

A: Different types of substances including dust, smoke and pollens can enter into the body that can…

Q: Data table Evidences of Chemical Observation Before the change Chemical System After the change…

A: Changes changes are those which are characterized by the formation of a new product or decomposition…

Q: People living in the urban areas of Bangladesh are at high risk of heavy metal poisoning”-Explain…

A: Heavy metals are metal elements with high atomic weight and density. These metals are not degraded…

Q: If acid gets on your skin or clothes, wash at once with O 1. Sulfuric Acid O 2. Soap O 3. water O 4.…

A: Laboratory safety protocol must be understood to avoid the potential hazards in the lab. This can…

Q: The five most important green house gases in terms of quantity are carbondioxide,methane,sulphur…

A: Green house effect is a process when the gases in the atmosphere absorbs the radiation from the…

Q: If a hospital were storing radioisotopes, what is the minimum containment needed to protect…

A: A matter is made of fundamental material called an element. A chemical element comprises only one…

Q: Do you feel that laboratory animals should be used in experiments in toxicology? Why or why not?

A: People and our quality of life benefit from research using laboratory animals. Most people on the…