Assume the total number of molecules in a sample of liquid is about 8 million trillion. 3 million trillion of these are molecules of some poison, while 5 million trillion or water molecules. What percentage of all the molecules in the glass are water?

Q: Q8. How many atoms are there in 1 mole of O2 gas if the Avogadro number is NA? O NA Molecules and NA…

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Q: In region A, the average pH value of the rainfall is 4.4. Find the average concentration of hydrogen…

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Q: My Data: Pure Protein Whey Powder: 0.076 g/mL Class Data: Group 5: Whey Protein: 0.0463 g/mL Group…

A: Difference between Group 5 and pure whey protein is Difference between Group 6 and pure whey…

Q: You have a container of fixed volume (10 liters) and gas molecules (1 mole) at a pressure of 50…

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Q: what is the healthiest thing to drink

A: It has been known recently that one of the healthiest thing to drink is green tea.

Q: If I initially have a gas at a pressure of 12 atm, a volume of 23 liters, and a temperature of 200…

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Q: The heat of a reaction, AH, may be calculated by: * 1 p A. AH =EAH -EAH, B. AH =AH Σ ΔΗ, reac tant…

A: "Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: Gold is one of the most malleable and ductile metals. If the density of gold is 19.32 g/cm3, then…

A: The density of Gold  D = 19.32 g/cm3 = 19.32 x 103 kg/m3 mass of gold m = 27 grams the thickness of…

Q: How are atoms arranged in crystalline solids?

A: Given: To explain the atoms in which arranged in crystalline solids as,

Q: How much heat is needed to melt 4 g of ice? Give your answer in joules.

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Q: How many macrostates are there for tossing 6 coins? Select the correct answer 06 O64 X Your Answer…

A: Fir tossing 6 coins ,   Following macro states will be there  (H - head , T - tail )   6H , 0T 5H ,…

Q: What is Fick’s law? How this law is modified if guest molecules in fluid are dispersed with certain…

A: Fick's first law connects the diffusion of transition to the inclination of the concentration. It…

Q: You are an astronaut exploring a new planet in a distant solar system. This planet has an…

A: Given data The atmospheric pressure on the planet is Patm = 3040 mm Hg. The content of the oxygen on…

Q: Space aliens visited you last night and left you with a "present". They left behind a liter of…

A: There are 2 types of changes in our environment. They are physical change and chemical change. In…

Q: A balloon is filled with a 15% salt/ 85% water solution. Explain what will happen to the balloon if…

A: For this we need to learn about hypotonic solution and it's affect on the inner concentration.

Q: Is the number of molecules in one mole of N₂ greater than, less than, or equal to the number of…

A: We must establish if there are more, less, or the same number of molecules in one mole of N2 as…

Q: built a raft out of 8 logs, each with a diameter of 30 centimeters, length of 2 meters, and mass of…

A: Given:-  The number of the logs is N = 8.  Each have a diameter d = 30 cm  Length L = 2 meter  The…

Q: In a compost pile, the biochemical conversion process from waste to compost is accompanied by heat…

A: Given: In this question, the given details are, In a compost pile, the biochemical conversion…

Q: (a) A commercial 737 jet transporting 143 passengersand 5 crew members from Kansas City (MCI) to…

A: Part-a Given: Total travellers n = 148. Mass of the fuel burnt m = 11800 lbs. Ratio of carbon…

Q: When we expose iron constructions to water and oxygen, they become rusty. This chemical reaction,…

A: Fe+O2+H2O →Fe(OH)3

Q: Our molecular model of matter describes a fluid as consisting of lots of little particles (atoms or…

A: Part A: Viscosity is the fluid friction as described in fluid mechanics. It is defined as as a…

Q: Assume that air consists of 80% N₂ and 20% O₂ by mole. Under the STP conditions, what is the mass of…

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Q: How many moles of iron is in a 1kg sample of iron?

A: To determine No of moles in 1 kg sample of iron

Q: If the surface pressure is 7 hPa, and the temperature is 1°C, what is the surface density of the…

A: Given: The surface pressure is 7hPa that is equal to 700 pascals. The temperature of the surface is…

Q: A solution is  prepared by dissolving 50 grams of salt in 250 centimeter cube of water. Find the…

A: The objective of the question is to find the density of a solution prepared by dissolving 50 grams…

Q: The equation for the decomposition rate of leaves can be written as moekt You start with 100g of…

A: The decomposition rate for leaves is given by the equation mt=moe-ktmt is the mass of leaves left…

Q: Because the human body is more efficient for carbohydrates in the form of fats. Consider that in the…

A: in this question we discuss  about energy get releases when fat and carbohydrates indigest by body.

Q: Given MgSO4 x 7H20 What is the balanced chemical equation showing the evolution of water from your…

A: Solution:   Given Chemical Equation is as follows:   MgSO4 x 7H20 which is called as Magnesium…

Q: How many molecules of carbon dioxide are there in 44g of carbon dioxide?

A: Number of molecules

Q: An adult inhales about 6.0××10−4−4 m3m3 of fresh air during a breath. Only 20%% of fresh air is…

A: Let P be the pressure in the lungs, V be the volume of the fresh air, n be the number of moles of…

Q: What are dielectics and what are their uses?

A: Dielectrics are a type of insulators used in electronic components

Q: What is the molarity of a solution of NaOH if there are 8.25 grams of NaOH dissolved water to make 3…

A: Molarity is the concentration of a solution expressed as the number of moles of solute per litre of…

Q: Besides solid, liquid, and gas, what is the fourth form of matter?

A: Fourth form of matter is Plasma.

Q: An extra-strength aspirin contains0.500 gof aspirin. How many grains is this? (1grain=64.8mg) 7.72…

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Q: Most car oil is 5 W – 30. What does that mean?

A: Numbers preceding W describe the viscosity of the oil at low temperatures. The lower this number,…