A hydrogen filled baloon is ignited, and 1.50g of hydrogen reacts with 12.0g oxygen. How many grams of water vapor form? "Assume that water vapor is the only product."

Q: Sulfur and fluorine form several different Part A compounds including sulfur hexafluoride and sulfur…

A: Part A Decomposition of sulfur hexafluoride produce: fluorine = 4.46 g sulfur = 1.23 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: The following scenes represent a chemical change. Which of the mass laws is (are) illustrated?

A: The law of conservation of mass states that the total mass present before a chemical reaction is the…

Q: Which arrangement of elements did Mendeleev find produced a repeating pattern of properties?

A: According to Mendeleev Periodic law, the periodic properties of the elements are repeated after…

Q: If atoms have mostly empty space, so how does matter stay strong? please explain

A: The empty space in an atom is the space where the nucleus (proton+neutron) is absent.

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: What is the number of electrons of the given element?

A:

Q: You analyzed 2.475 g of a mixture of NaCl, SiO_22​ and CaCO_33​. You isolated 0.825 g NaCl, 0.825 g…

A: Given:  Mass of sample = 2.475 g Mass of NaCl = 0.825 g Mass of CaCO3 = 0.825 g Mass of SiO2 = 0.580…

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: you are designing a rocket engine th uses a mixture of hydrazine and water as a propellant. this…

A:

Q: The average atomic mass of a sample containing three lithium-6 atoms and two lithium-7 atoms is…

A: The atomic mass of Lithium-6 isotope is 6.015122 amu Atomic mass of Lithium-7 isotope is 7.016004…

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: circles represent helium atoms; the dark circles represent argon atoms. Select one: a. b. d. It is…

A: Applying concept of partial pressure.

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

A:

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: Most of the mass of an atom is located in the: Most of the volume of an atomic is occupied by the:

A: Atom mainly consists of the number of three subatomic particles that are proton, electron, and…

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: A hydrogen-filled balloon was ignited and 1.70 gg of hydrogen reacted with 13.6 gg of oxygen. How…

A:

Q: Name various radioactive elements.

A: The various names of radioactive elements are named as in step 2.

Q: (a) Carbon and iron are both elements. What is an element?

A: An element is a substance which can not be decomposed by chemical process. Each element is…

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: Explain how and Dalton's atomic theory explains the fact that mass is conserved in chemical reaction

A: To find: Explain dalton's atomic theory and the fact that mass is conserved in a chemical reaction

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: 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: He was a tax collector and the one named the term hydrogen and oxygen:  a. Mendeleev b. Cavendish…

A: Interpretation - To explain who named the term hydrogen and oxygen.

Q: 5. What would 756 atoms of Iodine weigh in amu? -

A: The question is based on mole concept. We have to calculate mass of the given number of atoms of…

Q: graphical information (socioeconomic background, family, education), his inital research focus, and…

A:

Q: Summarize the history of the atomic idea?

A: Greek philosophers. Leucippus and Democritus put forward the idea of atoms as far back as the fifth…

Q: Magnesium reacts explosively with oxygen to form magnesium oxide. Which is NOT true of this…

A: The incorrect statement among the given has to be given,

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: One mole of silver contains _ _ _ _ _ _ _ _ _ _ _ _ _ _atoms of silver.

A: Ome mole of any compound has the avogadro no of atoms . Now the molecular weight of the compound is…

Q: Detailed information about John Dalton should include some biographical information (socioeconomic…

A: John Dalton was the youngest of their three offspring who survived to adulthood.Dalton was born into…

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: At 1273K and 10.mmHg, the density of a certain element in the gaseous state is 2.9*10-3g/L. The…

A: Given, d = 2.9*10-3g/L T = 1273K and P= 10.mmHg

Q: The density of gold is 19.3 g/cm3, and the average mass for one gold atom is 3.27×10-22 g. Seven…

A: Given the density of gold, d = 19.3 g/cm3. 1 cm3 = 1 mL Hence density of gold, d = 19.3 g/mL…

Q: What is the correct symbol for potassium?

A: The given element name is potassium.

Q: Describe the motion of the particles from A to B

A: The Time-Temperature graph has temperature on the vertical Y-axis and time on the horizontal X-axis.…

Q: A sample of 4.000 g of nitrogen can be combined with 4.571 g of oxygen to form nitric oxide gas…

A: In nitric oxide, the ratio of N and O is = N : O = 1 : 1.                                      (mole…

Q: Name the two isotopes for oxygen.

A: The species having same atomic number but different mass number (atomic mass) are termed as…

Q: The following quantities are placed in a container: 1.5 × 1024 atoms of hydrogen, 1.0 mol of sulfur,…

A:

Q: The element belonging to group 15, period 3 is named

A:

Q: Chromium reacts with oxygen to form three different compounds, X, Y and Z. It was found that, for…

A: Given: mass of Cr in X, Y and Z is 1 g. mass of O in X = 0.308 g mass of O in Y = 0.462 g mass of O…

Q: (A) if both sentences are true, (B) if both sentences are false, (C) if the first sentence is true…

A: Since you have posted a question with multiple sub-parts,we will solve first three sub-parts for…