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: 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: Justin is making a snack. He toasts a piece of bread and spreads peanut butter and jelly on it. Then…

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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: 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: When air pollution is high, ozone contents can reach 0.6 ppm. How many molecules of ozone are…

A: How many molecules of ozone are present per liter of polluted air. Given, Ozone concentration=0.6…

Q: A Honda Accord gets 24 miles per gallon in the city and is estimated to emit 7 tons of CO2 per year.…

A: Total emission = 7 × 2000 pounds                            =14000 pounds

Q: How are atoms arranged in crystalline solids?

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

Q: Since air is 78% nitrogen, the amount of nitrogen in the air is about ______ kg.

A: Given data Nitrogen % in air =78%

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: 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: 100 calories while walking a mile at a fairly brisk pace. How many miles per day would an average…

A: Brick pace means 100 steps per minute or 3 to 3.5 miles per hour Let consider 1 miles per hour…

Q: The molar heat of combustion of a compound is 1,930 kJ/mol. If 0.600 moles of this compound was…

A: Given data: The mass of water m=1656 g The given number of moles n=0.6. The molar heat of combustion…

Q: Nine moles of sulfur dioxide, SO2, would consist of how many molecules?

A: Write the given values of this problem. Moles of sulfur dioxide=9

Q: A habitat on Mars uses silicon solar panels that absorb heat from the sun, resulting in an increase…

A: Given Data: The heat energy per hour is Q =68750 C/hr The mass is m=175 kg=175000 g The specific…

Q: A Jeep gets about 15 miles per gallon during city driving and is estimated to emit 11.3 tons of CO2…

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Q: At constant temperature, an ideal gas is at a pressure of 30 cm of mercury and a volume of 5L.  If…

A: Given:- Pressure P1 = 30 cm of mercury  P2 =60 cm of mercury volume V1 = 5L  Find:- the new volume…

Q: Do you expect the energy of the special pair of bacteriochlorophyll molecules to be higher or lower…

A: A photosynthetic unit in both bacteria and in plants comprises hundreds of chlorophyll molecules and…

Q: Calculate the percentage of solvent in the dried fabric by weight.

A: Given : In the dryer we put 100 lb of wet fabric . It contains 45% solvent . Weight of the solvent :…

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: Derive the formula for the depletion force between two large particles (with a radius of ?) with a…

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Q: What makes up ozone?

A: Most of the ozone is found in upper atmosphere(Stratosphere). One ozone molecule is consist of three…

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: Water is made of two elements, hydrogen, and oxygen. What possible elements could substitute for…

A: What possible elements could substitute for each of those elements in water?

Q: how does the temperature of the water affect how quickly the food coloring moves through the water?…

A: Introduction: Diffusion is the movement of fluid particles from an area of high concentration to an…

Q: a sampling of 15 million particles coming from an exhaust vent contained 60 sulfur dioxide…

A: 60 particles of Sulphur dioxide in 15 million particles can be expressed as a fraction 6015 million…

Q: A balloon is slowly heated so that the pressure does not change. If it was initially at 10 K and had…

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Q: Sprayer AR is 75L/ha , sprayer tank capacity is 90OLiter of spray mix , field dimensions 500m x 600m…

A: Anything that flows is fluid. Fluid can be gas or liquid. To measure the content of liquid, its…

Q: A habitat on Mars uses silicon solar panels that absorb heat from the​ sun, resulting in an increase…

A: Given data, Heat energy/hr. Q=68750 cal/hr Mass m=175 kg =175000 g Specific heat c=0.7 J/g°C

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: Carbon dioxide (CO2) concentrations in the atmosphere peaked 400,000 years ago at around what ppm?…

A: Given that: Carbon dioxide is a one-carbon molecule with the formula CO2 whose carbon is…

Q: A habitat on Mars uses silicon solar panels that absorb heat from the​ sun, resulting in an increase…

A: Given, A silicon solar panel absorbs​ 68,750 calories per hour​[cal/h] from the sun.   Mass, m = 205…

Q: How many carbon atoms are in a 1 carat pure diamond that has a mass of 0.20 g?

A: Pure diamond is made up of carbon atoms. So, a 0.2 g pure diamond consists of 0.2 grams of carbon…

Q: How many kilojoules are released by freezing 32 g of H2O?

A: The heat released during the freezing is  H = m L  where, m is the mass and L is the latent heat of…

Q: What are dielectics and what are their uses?

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

Q: How many possible microstates are there for 6 molecules to fit in 6 boxes, when 4 molecules are…

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