Suppose 8.60 g of CH4CH4 is allowed to burn in the presence of 17.00 g of oxygen. How much (in grams) CH4CH4 remains after the reaction is complete?

Q: How many moles of Ca(OH)2 are present in 370.47 grams of Ca(OH)2?  2  3  5  6

A:

Q: How many grams of tungsten(VI) oxide, and how many grams of hydrogen must you start with to prepare…

A:

Q: How many grams of iron, molar mass 55.85 g/mol, will be consumed during the formation of 14.34 grams…

A: Using mole concept easily determines how much moles of  reactant are used and how much moles of…

Q: O What is the mass of 0.6 mole of CO2 (in g)? A) 31 B) 7 C) 26 D) 18 E) 37

A: Given: Moles of CO2 = 0.6 mol Standard data: The molar mass of CO2 = 44 g/mol

Q: Hydrazine, N2H4, can be used as fuel to orient and maneuver spacecraft. The energy used to do so is…

A: (A) Writing down the balanced chemical equation: N2O4(l) + 2 N2H4(aq) ----> 3 N2(g) + 4 H2O(l)…

Q: 3) Show your calculations clearly. Suppose you are provided with a 36.55 g sample of potassium…

A:

Q: What is the mass, in g, of 1.00 mol of helium atoms?

A: The mass in grams of 1.00 mol of helium atoms has to be given.

Q: How many atoms of Cu are existing in 2.36 g of copper wire?

A: Since molar mass of Cu = 63.546 g/mol Mass of Cu = 2.36 g (given)

Q: What is the mass of a single bromine molecule, Br 2?

A: The bromine molecule is composed of two bromine atoms that are covalently bonded to one another.

Q: Would it be possible to determine the percentage of oxygen in NaCIO3?

A: The given compound is = NaCIO3 The percent of oxygen in this compound is =?

Q: How much would 2.4 x 1024 molecules of N2O5 weigh?

A: Given- number of Molecules =2.4 ×10^24 molecules

Q: If the same amount of electricity that is used to produce 500 g copper metal (Cu Cu") is used to…

A: Given: Mass of Cu produced = 500 g. The moles of Cu produced = MassAtomic mass = 50063.55 = 7.868…

Q: 4. What is the mass of 7.75 moles of magnesium metal?

A:

Q: If 3.77 grams of liquid butane (C4H10) undergo combustion in the presence of an unlimited amount of…

A: We will use mole concept for the given Reaction.

Q: If 3.59 grams of liquid butane (C4H10) undergo combustion in the presence of an unlimited amount of…

A:

Q: 3.00 x 1023 atoms

A: Mass of Ca = 20.0 g Molar mass(MM) of Ca = 40.08 g Moles of Ca = Mass/MM     = 20.0/40.08   = 0.500…

Q: How many grams of iron are needed to combine with 24.6 g of O to make Fe2O3?

A:

Q: 56.7 g of H,S reacts with 30.9 g of SO, according to this reaction + SO, 2H,S + So, = 35 + 2H,0 What…

A:

Q: compound that will be produced on Mars during food production has a % composition of 40.002% carbon,…

A: Given that: % Carbon = 40.002% = 40.002g % H = 6.714% = 6.714g %O = 53.284% = 53.284g  Moles of C =…

Q: What is the mass of one atom of I? O 4.745 x 10-22 g O 3.443 x 10-22 g O 6.641x 10-23 g O 2.107 x…

A:

Q: a. If 1.34 mol hydrogen peroxide reacts, then how many moles of oxygen will form?

A:

Q: 9.21 x10^19 molecules of hydrogen gas,(H2) are equal to how many grams of hydrogen gas?

A: Number of molecules = 9.21 × 1019 molecules Avogadro’s constant = 6.022 × 1023 molecules Numbre of…

Q: A Matter can not be created or destroyed, The mass of the reactants in a ch reaction will equal the…

A: Chemical bond is M Two types of chemical bonds are L Chemical reaction K Reactants F…

Q: "If you begin with 202.2 grams of aluminum, how many grams of aluminum oxide can be formed? 4 Al(s)…

A: Given, 4 Al(s) + 3 O2(g) → 2 Al2O3(s) mass of aluminium (Al) react = 202.2 g mass of aluminum oxide…

Q: How many grams of oxygen are needed to produce 95.6 g of aluminum oxide? ____Al(s) + ____O2(g)…

A: Given, Amount of Al2O3 produced = 95.6 g Formula Used,

Q: W

A: A mole can be defined as a unit for the amount of substance. Formula for number of moles:

Q: How much orygen is produced from 2.56 X 10 g HgO?

A: Number of moles = mass/molar mass  Mass = moles × molar mass  Molar mass of HgO = 216.59 g/mol…

Q: What is the mass of aluminum if the same amount of electricity used to generate 500 g copper metal…

A: All the necessary calculations have been done in the following step.

Q: A Freon leak in the air-conditioning system of a large building releases 12 kg of CHF2Cl per month.…

A: The ratio of the given mass to the molar mass is called as moles. Mathematically, Given, Mass of…

Q: Given the following reaction in the picture, what mass of hydrogen gas will be produced by the…

A: Given reaction: 3Fe(s) + 4H2O(g) → Fe3O4(s) + 4H2(g) We have to find the mass of hydrogen gas that…

Q: 34. How many grams of water, H2O, can be produced by the reaction of 8 O2, and 8 grams of hydrogen,…

A: Here, we have to find the mass of water that can be produced by the reaction of 8 grams of oxygen…

Q: How many grams of iron, molar mass 55.85 g/mol, will be consumed during the formation of 13.71 grams…

A:

Q: If a sample of N2O5 produces 1.618g of O2 how many grams of NO2 are formed?

A: Decomposition of dinitrogen pentoxide, N2O5→4NO2 + O2 One molecule of N2O5 decomposes to gives 4…

Q: You have 3.31 L of water that contains 25 mg/L of PO43-. What is the total amount of phosphate in…

A: • The values provided in the question are:-    i) Density of phosphate ion solution,d  = 25 mg/L…

Q: If the chemical reaction in question #3 only had a 75% yield, then how many grams of nitrogen gas…

A: Hydrogen gas reacts with nitrogen gas to form ammonia. The equation for the balanced chemical…

Q: Determine the mass (in grams) of aluminum present in 1.08 grams of Al2S3?

A: Molar mass of the elements is equal to the sum of the atomic masses of all the elements. Molar mass…

Q: If carbon has a molar mass of 12g and oxygen has a molar mass of 16g. What is the molecular mass of…

A: Consider the given information is as follows: Molar mass of carbon = 12 g Molar mass of oxygen = 16…

Q: 10.6 g of anhydrous sodium carbonate combines with 18g of water to form hydrated sodium carbonate…

A:

Q: How many grams of iron are needed to combine with 26.3 g of O to make Fe2O3?

A:

Q: How many moles of Cs are contained in 595 kg of Cs?

A: Here we have to calculate how many moles of Cs are contained in 595 kg of Cs

Q: Suppose 2.43 g of magnesium is reacted with 3.20 g of oxygen: 2Mg + O2 → 2MgO. How many grams of MgO…

A:

Q: 2. The volume of the nucleus of a carbon atom is about 9.9 x 10-39 mL. The molar mass of carbon…

A: Given: Volume of carbon nucleus atom = 9.9 × 10-39 mL. And molar mass of a carbon atom = 12.00…

Q: 4. If 2.784 grams of silver oxide are decomposed to yield 2.592 grams of silver. a) How many grams…

A:

Q: 45.5 grams of a magnesium reacts with 243.2 grams of oxygen gas. At the end of reaction, 211.2 grams…

A: using mole concept from Balanced chemical equation easily determination of moles of products is…

Q: how many grams of N are needed to combine with O to make 250 g of N2O4?

A: The number of moles of a species is calculated by expression (1), in which, n is the number of…

Q: Calculate the mass of antimony(III) lodide, Sblg, that can be produced by the reaction of 143 g of…

A:

Q: 8) 3.57g of Lithium Carbonate were produced produced, how many grams of Magnesium Nitride were as…

A: From the given questions, it seems that the reaction between lithium nitride and magnesium carbonate…

Q: -How many grams of 03 are needed to make 3.2 g of Oxygen?

A: Given :- mass of O2 = 3.2 g   To calculate :- mass of O3 needed.

Q: 8+83= %3D Oxygen Carbon %3D

A: Combination reaction: A combination reaction is a type of chemical reaction in which two reactants…

Q: Uranium (VI) fluoride (UFe) can be used for the enrichment uranium. What is the elemental…

A:

Stoichiometry

Stoichiometry is a chemical division that evaluates the quantitative content of the chemical process with the help of the reacting molecules or products taking part in the reaction. The term “stoicheion” in “Stoichiometry”, is an old Greek term for "element" whereas “metron” means "measure".