Consider a 8.83 g sample of C3H6C3H6. How many molecules are in this sample? Report your answer with 3 significant figures and in scientific notation. Use * for the multiplication symbol.

Q: A virus has a mass of 9.0 × 10 mg and an oil tanker has a mass of 3.0 × 10´ kg. Use this information…

A: 1 mole of a substance possesses Avagadro no. of atoms/molecules. Avagadro no.= 6.022 x 1023…

Q: ultiply vide the following measurements. Be sure each answer you enter contains the correct number…

A: The significant figure refers to particular digits in a number. According to the measurement rule,…

Q: A raindrop has a mass of 50. mg and the Pacific Ocean has a mass of 7.08 × 104º kg. Use this…

A: Avogadro’s number is the number of atom/molecules present in one mole of any substance. And one mole…

Q: How many molecules of cinnamic alcohol are contained in a 0.852−g sample?

A: Number of moles is given by the ratio of mass of the substance by molar mass of the substance.Number…

Q: 2. The densities of Methane at °C were measured at several pressures with the following results:…

A:

Q: sample of lead has a mass of 0.490. Calculate the number of moles. Your answer should be rounded to…

A: Given mass=0.49g Molar mass =207 Mole= mass/molar mass Mole=0.49/207 Mole= 0.0023

Q: A chemist determined by measurements that 0.0600 moles of gold participated in a chemical reaction.…

A: • The values provided in the question are:-      i) Number of moles of gold participated in a…

Q: A pycnometer (Figure 1) is a special flask often used for measuring the densities of substances.…

A: The volume of a given liquid is defined as the amount of the space occupied by the liquid that fully…

Q: Determine how many kilograms are in 9104 milligrams.

A: given- Weight - 9104 mg 1 gram = 1000 milligram 1 kilogram = 1000 gram Means 1 kg = 1000000…

Q: You add 297 grams of NaCl to a container and then you add 898 grams of water to that same container.…

A:

Q: The number of particles in 1 mole of hydrogen gas is __________. Express your answer using three…

A: Given : Moles of Hydrogen gas i.e H2 gas = 1 mol.

Q: What is 1/λ (m-1) λ (m) = 4.10288 X 10-7

A: Wavelengthλ is the distance travelled by one comlete wave.It is measured by the distance between two…

Q: there is a mole of water in a beaker. A student measures the weight of the 1 mole of water of 18.02…

A: Mole is the amount of the substance that contains the same number of particles or atoms or…

Q: A marine biologist measures the volume of a seawater sample. The volume is  1858mL. What is the…

A:

Q: Please enter the correct significant figures!

A: Since the number of oxygen atoms in 1 molecule of SO3 is 3  hence the number of molecule of SO3 =…

Q: you have a sample of 55.2 grams of Li2CO3 are in your sample? Answer the equation in the format in…

A: Applying concept of calculation of atom by mole concept.

Q: Rank the following quantities in order of decreasing mass.   Rank from highest to lowest mass. To…

A: Given masses:

Q: geologist measures the weight of an ore sample. The weight is  2.2603kg. What is

A: We have to find weight in gram

Q: Gaseous methane (CH) will react with gaseous oxygen (0,) to produce gaseous carbon dioxide (CO,) and…

A: The balanced chemical reaction equation is as shown below. CH4(g)  +  2O2(g)  →  CO2(g)  +  2H2O(g)…

Q: (a) Calculate the number of oxygen molecules and the number of oxygen atoms in 41.1 g of O2 oxygen…

A: Given - the mass of oxygen atom = 41.1 g  The formula for calculating the number of moles is- n =wM…

Q: Be sure to answer all parts. (a) Calculate the number of oxygen molecules and the number of oxygen…

A: 1- First Calculate the moles of O2 Molecules :  moles of O2 = ( mass / molar mass of O2 )  moles of…

Q: Ammonia (NH,) chemically reacts with oxygen gas (0,) to produce nitric oxide (NO) and water (H,O).…

A:

Q: Gaseous methane  CH4  will react with gaseous oxygen  O2  to produce gaseous carbon dioxide  CO2…

A: The reaction takes place in stoichiometric ratio .

Q: A chemist determined by measurements that 0.0250 moles of aluminum participated in a chemical…

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

Q: Be sure to answer all parts. (a) Calculate the number of oxygen molecules and the number of oxygen…

A: Avogadro's  number gives the number of atoms, molecules or ions in one mole of the substance and it…

Q: How many grams F in 650.1 g Br2F6? Put the answer in the box in regular (non-scientilic) notation.…

A:

Q: Super fine 40-gauge copper wire has a diameter of only 0.080 mm and weighs only 44,5 g/km. Suppose a…

A: The weight of wire used to wind the magnet = 603 g. The weight of the 40- gauge wire = 44.5 g/km.…

Q: What is the mass of 28.0 liters of gasoline? Assume the gasoline is pure octane with a density of…

A: The gasoline is considered to be pure octane (C8H18) whose density is 0.692 g/mL. The mass of the…

Q: 1. How many in2 are in 450cm2? For your answer enter the first 4 digits of your value.

A: Often while calculating, there is a need to convert units from one system to another system. The…

Q: Calculate the mass % of "S" in CS2. Round-off your answer to two significant figures and enter the…

A: Atomic mass of S = 32.06 g/mol Atomic mass of C= 12.01 g/mol Molecular mass of CS2 = 12.01 +…

Q: A blood concentration of 0.065M ethyl alcohol (EtOH) is sufficient to induce a coma. At this…

A: Since concentration = moles of solute / volume of solution in L Solute here is ethanol And volume of…

Q: How many.grams F in 584.8 g Br2F6? Put the answer in the box in regular (non-scientific) notation.…

A: Number of moles is defined as given mass divided by molecular mass.

Q: A patient needed 575 mL of blood during surgery. Show how to convert this volume into pints of…

A: Pint and milliliter: Pint and milliliter is a unit of volume. The relation between pint and liter is…

Q: Select all quantities whose values are exact (contains infinite number of significant figures).…

A: A number that showing perfect exactly value  , it contain infinite number of significant figure.

Q: Use calculator to solve the problems. Write your answer in scientific notation with correct number…

A:

Q: Convert (8.808x10^24) molecules of water to grams of water. Avogadro's Number is (6.02x10^23). You…

A: given, a number of molecules of water = 8.808×1024 molecules Avogadro's constant, Na = 6.02×1023…

Q: A raindrop has a mass of 50. mg and the Pacific Ocean has a mass of 7.08 x 100 kg. Use this…

A:

Q: 3.2x1022 H2O molecules Express your answer using two significant figures. ΑΣφ ? m2 = 9.6 %3D Submit…

A:

Q: Calculate the total number of oxygen atoms in 65.0 g of KClO3. Express your answer in scientific…

A:

Q: Calculate the mass of carbon (in grams) in 366 g of acetic acid.

A: Given :-  Mass of acetic acid = 366 g  To calculate :-  Mass of carbon (in grams)

Q: Using the graph you created, determine the values below, given the corresponding mass or volume. 7 +…

A: Following are the appropriate answers of the given questions.

Q: A student solving the problem based on the scenario below made an error and the answer is incorrect…

A: Percentage Mass =  mass of solute

Q: Solve the following problems. Make sure to follow the significant figure rules for subtracting and…

A: Rules for writing significant figures in addition subtraction multiplication and division; In case…

Q: Gaseous methane  CH4  will react with gaseous oxygen  O2  to produce gaseous carbon dioxide…

A: Given:Mass of CH4 = 8.02 g.Mass of O2 = 14 g.Balanced chemical reaction is given by:

Q: Calculate the mass in grams of each sample. 9.27×1019 CH4 molecules Express your answer using three…

A:

Q: What is the weight in grams of 8.68x 10^17 CFamolecules? Hint: must use Avogadro's number Put your…

A: Given that : The number of molecules of CF = 8.68x 1017 molecules We have to calculate the weight of…

Q: How many mL of 0.799 molar magnesium chloride must a scientist pour into a beaker to have 16.1 g of…

A: given, molarity of magnesium chloride = 0.799 molar weight of magnesium chloride = 16.1 g

Q: The chemical formula for barium oxide is BaO. A chemist determined by measurements that 0.035 moles…

A: Number of moles(n) of any substance can be calculated by dividing the given mass by molar mass. The…

Q: What is the mass of 3.90 x 1021 formula units of KBr? Answer in standard notation to three…

A: What is the mass of 3.90 x 1021 formula units of KBr?

States of Matter

The substance that constitutes everything in the universe is known as matter. Matter comprises atoms which in turn are composed of electrons, protons, and neutrons. Different atoms combine together to give rise to molecules that act as a foundation for all kinds of substances. There are five states of matter based on their energies of attraction, namely solid, liquid, gases, plasma, and BEC (Bose-Einstein condensates). 

Chemical Reactions and Equations

When a chemical species is transformed into another chemical species it is said to have undergone a chemical reaction. It consists of breaking existing bonds and forming new bonds by changing the position of electrons. These reactions are best explained using a chemical equation.