Discuss why equal masses of golf balls and Ping-Pong balls don’t contain the same number of balls.

Q: Is the mass of one mole of N2 greater than, less than, orequal to the mass of one mole of O2?

A: Given:Is the mass of one mole of N2 greater than, less than, or equal toThe mass of one mole of…

Q: Atomic packing factor is a. none all the above o b. volume fraction of atoms in cell c. projected…

A: To define atomic packing factor.

Q: Phe perpencheuler force ca (s stine on a

A:

Q: Many dry cereals are fortified with iron, which is added to the cereal in the form of small iron…

A: The iron particles are separated from the cereal with the help of magnets. we need to grind and…

Q: A sample of oxygen gas has a volume of 2.50 L at STP. How many grams of O, are present?

A:

Q: Why is half frozen fruit punch always sweeter than completely melted fruit punch?

A: The sweetness depends on the concentration of the sugar.One of the main constituents of fruit is…

Q: How about an oxygen molecule?

A:

Q: Discuss whether or not a stick of dynamite contains force. In your discussion make the distinction…

A: No. There is no meaning in saying that a stick of dynamite contains force.

Q: Hydrogen sulfide is an impurity in natural gas that must beremoved. One common removal method is…

A:

Q: Do you find the idea that you are made of recycled atoms disturbing? Why or why not?

A: We are made of atoms that were formed on other starts and distributed across the universe.

Q: Why is having an equal number of neutral and positives important?

A: The net charge is said to be zero when there is an equal number of negative and positive charge or…

Q: How many total atoms would be in one formula unit of (NH4)3PO4?

A: N=3 atom H=12 atom P=1 atom O=4 atom

Q: if action is of 10 N, then the reaction will be of O 10 N in the same direction 20 N in the same…

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Q: Do 10 grams of oxygen atoms and 10 grams of iron atoms contain the same number of particles?

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Q: How many moles of atoms are present in 1 mole of water?

A:

Q: A pure substance made up of the same kind of atoms is called

A: A pure substance made up of the same kind of atoms is called ? we have to answer the above statement

Q: I’m confused in using Hess law. Can you help me with all three reactions?

A: Manipulate the reactions given below so that they closely resemble the reaction given above,Since NO…

Q: Consider air at P = 1.00 atm. The average molecular mass of air is approximately 29 u (atomic unit).…

A:

Q: Why does the balloon filled with water did not pop out like the balloon filled with air when it is…

A: We have to write why does the balloon filled with water did not pop out like the balloon filled with…

Q: Why do metals feel cold even when they are at room temperature?

A: Metals feel cold

Q: Suppose a sample of helium gas at 45.0 °C sealed in a flask at a pressure of 5.63 atm was found to…

A:

Q: -The energy from a nuclear reaction is usually in the form of, electrical heat chemical mechanical…

A: Required : Form of energy from a nuclear reaction.

Q: Which accurately represents these building blocks of matter from the smallest to largest

A: Atoms can be described as particles that are composed of nucleus and electrons. The combination of…

Q: adioactive substance has a half life of 30 minutes. How much of a sample of this substance will not…

A: Given, No = 100%= 1 T= 30min t= 2.5 hours = 150 min We know that, N= No (1/2)t/T

Q: How many O atoms of mass 15.99 amu are in 15.99 g of oxygen?

A: In 15.99 g of O, 15.99 g15.99 g/mol = 1 mole So, there is 1 mole of Oxygen in 15.99 g of O. We know…

Q: At what air temperature will exhaled breath condense by self-nucleation? Assume that a saturation…

A: Write the expression of saturation ratio. w=0.622pvpt-pv0.2326=0.622pv1 atm-pvpv=0.272 atm

Q: Why hot water bottles are used for fomentation?

A: Hot water has high specific heat capacity. Due to this, the water remains hot for a longer duration.

Q: Which contains the most moles: 10.0 gg of hydrogen gas, 100 gg of carbon, or 500 gg of lead?

A: Let M be the mass of the element, Mmol be the molar mass of element.Write the expression for the…

Q: What is wrong with this refrigerator whose diagram is shown below?

A:

Q: How does our body react to hot or cold substances? Explain

A: We need to explain how our body react to hot or cold substances. Let's understand each one by one…

Q: Chromium(III) oxide reacts with hydrogen sulfide (H2S) gas to form chromium(III) sulfide and water:…

A: Solution:   The Given chemical equation for the Reaction is as follows:   Cr2O3(s) +…

Q: Discuss which contains more atoms: 1kg of lead or 1kg of aluminium?

A: A mass of 1 atomic mass unit is expressed in units of kilograms as,The mass of one atom of lead is…

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

A: Number of molecules

Q: Water can be sprayed easily when soap is added to it, Why?

A: Because addition of soap decreases the surface tension of water. The energy for spraying is…

Q: The specific latent heat of vaporization of a particular liquid is 2.0 x 10 Jkg, its relative…

A: Given : Specific latent heat of vaporization, LVH  =  2.0x105J/Kg Relative molecular mass  =  30…

Q: At what temperature will 0.654 moles of neon gas occupy 12.30 liters at 1.95 atmospheres? Use the…

A:

Q: write the balanced chemical equation for P+O2=P2O5

A: 2P+52O2 = P2 O5…

Q: The density of brass is 8.7 ax 10° kg/m. What is the mass of a 3.2 x 10- m3 sample of brass ? O 3.68…

A:

Q: When can you say that a chemical system is a substance or a mixture?

A:

Q: Why we use a number of antimony-bismuth couple in a thermopile?

A: A thermopile is basically made with an antimony-bismuth couple.When a temperature difference is…

Q: . The freezing point depression of a solution of glucose (C,H,206, molar mass = 180.0 g/mol) is…

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Q: how many grams are in 2.70 x 10^24 molecules of P^4

A:

Q: What is a compound? Cite three examples.

A: A chemical compound is any substance composed of molecules consisting of atoms of two or more…

Q: What is a mixture? Give three examples?

A: The mixtures are formed by mixing the two or more substances with each other without combining…

Q: Give a reason why soda drinks should be in plastic bottles rather than in aluminum cans?

A: A typical soda drink may contain acids like citric acid which can react with metallic containers and…