when 22.0 g hydrogen combine with oxygen, 196.5 g of water forms. based on the law of conservation mass, how many grams of oxygen reacted.

Q: A sample of mercury with a mass of 114.0 g was combined with 12.8 g of oxygen gas, and the resulting…

A: The reaction taking place is  2 Hg + O2 -----> 2 HgO Hence from the above reaction we can say…

Q: When 16.8 g of carbon were burned in the presence of 55.6 g of oxygen, 10.8 g of oxygen remained…

A: One mole of carbon reacts with one mole of oxygen gas to produce one mole of carbon dioxide gas.…

Q: If 2.43 g of magnesium burns in oxygen to produce 4.03 g of magnesium oxide, what is the mass of…

A: The given mass of magnesium is 2.43 g. The given mass of magnesium oxide is 4.03 g.

Q: The radioactive element carbon 14 has a 1/2 life of 5750 years a scientist determined that the bones…

A: let assume the initial concentration of C-14 as Co=100%

Q: 49 g of H,SO, contains: Select one: 24 a. 1.2 x 10 oxygen atoms b. All is true 23 c. 3.01 x 10…

A: Since you have posted multiple unrelated questions, we are entitled to answer the first only.

Q: Find the density of a neutron star with a mass of 1.97 solar masses and a diameter of 13 km, and…

A: Conversion units: 1 solar mass = 1.989×1030 kg 1 fm = 10-15m 1 km =1000 m 1 amu = 1.66×10-27 kg…

Q: Where have you seen elements, atoms, ions, etc in real life? Where did you see them and what were…

A: Elements present in the periodic table can be seen all around us in our day to day life.  Elements…

Q: 1. Which of the following is not one of Dalton's laws? a) Atoms are indestructible. b) Atoms of the…

A:

Q: changes in mass (i

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

Q: A sample of magnesium is found to contain 78.70% of 24Mg atoms (mass 23.98 amu), 10.13% of 25Mg…

A: The atomic mass of an element is the average of masses of all the isotopes of that element present…

Q: How many years would it take for one mole of this radioactive material to decay so that just one…

A: The time which is required for the decay of one half of the amount of the species is called half…

Q: What is the symbol for neon?

A: Neon is a Nobel gas element. It's atomic number is 10. It is a colourless and orderless monoatomic…

Q: Compare and contrast the three primary particles contained in atoms

A: Atom is a smallest particle which cannot be further divided   Atomic particels  atoms consist of…

Q: In our modern view of matter and energy, is the law of massconservation still relevant to chemical…

A:

Q: 7. 12.01 g of carbon has approximately 602,214,129,000,000,000,000,000 atoms. What is the…

A:

Q: CHE 180 General Chemistry I Homework Chapter 1, continued 10. Exercise 92: The properties of a…

A: Based on change in properties of a mixture of substances we can define it as a physical or chemical…

Q: Explain John Dalton and the Atomic Theory?

A:

Q: The uranium atom is the heaviest of the common naturally occurring elements but uranium is not the…

A:

Q: How many protons are contained in a circular puddle of liquid mercury that is 6.25 inches wide and…

A: In the given question we have to calculate the number of proton contained in a circular puddle of…

Q: A sample of 5.000 g of nitrogen can be combined with 5.714 g of oxygen to form nitric oxide gas…

A: The amount of products formed for the given quantity of reactants is determined using stoichiometry.…

Q: Rubidium has two naturally occurring isotopes. The average mass of Rb is 85.4678 u. If 72.15% of Rb…

A: Given, Average mass of Rb = 85.4678 u Isotope I, Rb-85 : natural abundance = 72.15 %  relative…

Q: 00 Не Enter the percent volume of He in the visualization. MM[He]=4.003 g/mol, MM[N2]=28.01 g/mol.

A: In 1 mol of helium there is 6.022×1022 atoms of helium. So, for the given system the number of moles…

Q: The Law of Conservation of Masses is attributed to the scientist:

A: According to the Law of conservation of mass " the total mass remain conserved which means the total…

Q: Part A Na Na + Express your answer as a particle or a chemical formula. ΑΣφ ? OA chemical reaction…

A:

Q: An unused flashbulb contains magnesium and oxygen. After use, the contents are changed to magnesium…

A: The observation can be explained by the the law of conservation of mass. The law of conservation of…

Q: What is the symbol for phosphorus?

A: Given :- name of element = phosphorus  To determine :- it's symbol

Q: Reaction Coordinate A. Label the previous graph. B. Which type of reaction does it represent it.…

A: Answering Question no. 02:   Image of the graph shows potential energy in relation to the process of…

Q: Write the complete cher states of matter.

A: Write the complete reaction between Ca(OH)2 & HCl?

Q: A sample of 7.000 g of nitrogen can be combined with 8.000 g of oxygen to form nitric oxide gas…

A: In NO, the ratio of moles of N and O is = N : O = 1 : 1. Hence 1 mole of NO contains 1 atom of N and…

Q: If a sample of an element has a mass of 80.2grams and contains 1. 78moles, what is the elements?

A:

Q: nat mass of

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

Q: Whith of the following is not one of Dalton's laws? a) Atoms are indestructible. b) Atoms of the…

A: Dalton's atomic theory are as follows  (1) Atoms are indivisible,tiny particle of same size and same…

Q: If 21.4 g of aluminum is reacted with 91.3 g of Fe2O3, the prodücts will be Al2O3 and iron. What…

A: Limiting reagent: In a chemical reaction, the reagent that totally consumed is known as a limiting…

Q: Sample

A: Given data set: Initial mass of the radioactive metal = 1024 grams Final mass of the radioactive…

Q: Determine the mass of Strontium-86 (in u) given that the average atomic mass of Sr is 87.6126 u and…

A:

Q: The radioactive carbon is known as:  a. Carbon 12 b. Carbon 14 c. Carbon 13 d. Carbon 15 *This…

A: Isotopes are the elements which have same atomic number but different mass number. Radioactive…

Q: If the amount of hydrogen in a balloon of fixed size is halved, what happens to the mass and density…

A: Given: The amount of hydrogen in a balloon of fixed size is halved.

Q: A sample of 6.000 g of nitrogen can be combined with 6.857 g of oxygen to form nitric oxide gas…

A: To Find: To find out the mass of oxygen required to react with  nitrogen to form nitrogen dioxide.

Q: = tr²l (l= length of wire) The density of copper at 20°C is 0.896 kg/dL at 20°C. A copper wire has a…

A: Given that,  The diameter of wire - 0.110 mm = 1.1 x 10-4 m; radius - 5.5 x 10-5 m.The atomic mass…

Q: State and explain the law of conservation of mass.

A: According to law of conservation of mass, the total mass of the reactant is equal to the total mass…

Q: If a silver dollar contains 91.0% silver by mass, how many kilograms of silver can be extracted from…

A: As per the given information given silver dollar contains 91.0% silver  here, 1 kg of silver dollar…

Q: If my energy usage is an average of 998.79 kilowatts/hours per month in the last 12 months. How many…

A: The energy of a system is a property associated with it and is used to perform a notable quantity of…

Q: What is the correct symbol for potassium?

A: The given element name is potassium.

Q: Calculate the mass in grams of 1 neutron given the following conversion factors: 1 n° = 1.008665…

A: Given  1n0 = 1.008665 amu 1 amu = 1.660538 x 10-24 g

Q: A student has 3.86g of iron metal what would be the mass of rust produced if all of the iron was…

A: Moles of iron present in the 3.86 g of iron metal is :

Q: Calculate the mass in grams of 1 mole of neutrons given the following conversion factors: 1 n° =…

A: Consider the given information is as follows; 1 n0 = 1.008665 amu1 amu = 1.660538×10-24 g1 mole =…

Q: A neutron star has a density of 5.0 x 1017 kg/m3. How many ?μL of space would 5.0x106 metric tons…

A:

Q: Earth’s surface area is 5.10x10^8km², and its crust has amean thickness of 35 km and mean density…

A: Determine the volume of crust and total mass of crust of earth in metric tons using its density.…

Q: The mass of a neutron is 1.6749×10−24 gg , and the mass of a proton is 1.6726×10−24 gg . What is the…

A: