Description : What is the chemical formula for one carbon atom for every two oxygen atoms?
Last Answer : This molecule is carbon dioxide - CO2.
Description : An organic compound (A) has a molecular weight 78 and an empirical formula CH. (A) is resistant to attack by oxidizing agents but undergoes substitution and addition reactions. X-ray analysis shows that the ... suggests that compound (A) is (a) Benzene (b) Cyclohexane (c) Toluene (d) n-Hexane
Last Answer : Benzene
Description : What formula would 2 nitrogen atoms 1 oxygen atom and amp 2 carbon atoms make up?
Last Answer : The formula would thus be C2N2O.
Description : How many oxygen atoms are there in one formula unit of magnetite?
Last Answer : ANSWER: FOUR
Description : What is the chemical formula for oxygen?
Last Answer : Answer: O2
Description : What is the chemical formula for Gold (III) and Oxygen?
Last Answer : What is the answer ?
Description : What is the chemical formula for the compound formed between stronium and oxygen?
Last Answer : Strontium oxide is SrO.
Description : What is the correct chemical formula for sodium and oxygen?
Last Answer : SO2
Description : The chemical formula of iron pyrites is— (A) FeSO 4 (B) FeS (C) FeS 2 (D) Fe 2 (SO 4 ) 3
Last Answer : (C) FeS 2
Description : Write two ores of iron with chemical formula.
Last Answer : 1) Magnetite - Fe₃O₄ 2) Haematite - Fe₂O₃ 3) Limonite - 2 Fe₂O₃.3H₂O 4) Iron Pyrites - FeS₂ 5) Siderite - FeCO₃
Description : Write balanced chemical equations for the following word equations: (a) Iron + Chlorine → Iron (III) chloride (b) Magnesium + dil sulphuric acid → Magnesium sulphate + water (c) Magnesium + oxygen → ... oxide (d) Calcium oxide + water → Calcium hydroxide (e) Sodium + chlorine → Sodium chloride
Last Answer : (a) Iron + Chlorine → Iron (III) chloride 4Fe + 3Cl2 → 2F2Cl3 (b) Magnesium + dil sulphuric acid → Magnesium sulphate + water 2Mg + 2H2SO4 → 2MgSO4 + 2H2 (c) Magnesium + oxygen → Magnesium oxide 2Mg ... hydroxide CaO + H2O → Ca(OH)2 (e) Sodium + chlorine → Sodium chloride 2Na + Cl2 → 2NaCl
Description : The chemical union of iron, oxygen and water forms w) magnetite x) hematite y) limonite z) pyrite
Last Answer : ANSWER: Y -- LIMONITE
Description : Which of the following causes the rusting of iron? a. Oxidation b. Reduction c. Chemical reaction with oxygen d. Chemical reaction with CO2 (1) a and b (2) b and c (3) c and d (4) a and c
Last Answer : a and c
Description : what are the total number of formula of atoms in each formula in NH4C2H3O2?
Last Answer : 12 atoms in this formula. 1+4+2+3+2.
Description : A compound contains atoms A, B and C. The oxidation number A is `+2`, of B is `+5` and of C is `-2`. The possible formula of the compound is :
Last Answer : A compound contains atoms A, B and C. The oxidation number A is `+2`, of B is `+5` and of C is `-2`. The ... BC_(4))_(2)` D. `A_(3)(B_(4)C)_(2)`
Description : How many atoms does one formula unit of gold sulfide have altogether?
Last Answer : The chemical formula of gold sulfide is Au2S; three atoms are here.
Description : What formula represents the number types and arrangement of atoms?
Last Answer : This is a chemical formula.
Description : Organic compounds having same molecular formula with different structural arrangement of atoms in them is known as
Last Answer : isomerism.
Description : What do you call the compounds having the same molecular formula but different structural arrangements of atoms?
Last Answer : Isomers
Description : Calculate the number of oxygen atoms in 1 mole of O2. -Chemistry 9th
Last Answer : 1 molecule of O2 = 2 oxygen atoms So, 1 mole of O2 = 2 mole oxygen atoms = 2 × 6.022 × 1023 = 12.044 ×1023 oxygen atoms.
Description : What is the number of atoms in 1 gram of atomic oxygen ?
Last Answer : 1 gram-atom Number of atoms in oxygen = 6.023 x 1023
Description : Assertion :- Oxidation number of `Cr` in `CrO_(3)` is `+6`. Reason :- In `CrO_(5)`, four oxygen atoms are involved in peroxide linkage.
Last Answer : Assertion :- Oxidation number of `Cr` in `CrO_(3)` is `+6`. Reason :- In `CrO_(5)`, four ... Reason is False. D. If both Assertion & Reason are False.
Description : The number of oxygen atoms in 4.4 g of `CO_(2)` is approximately
Last Answer : The number of oxygen atoms in 4.4 g of `CO_(2)` is approximately A. `1.2xx10^(23)` B. `6xx10^(22)` C. `6xx10^(23)` D. `12xx10^(23)`
Description : The number of oxygen atoms in 4.4 g of `CO_(2)` is approx. :-
Last Answer : The number of oxygen atoms in 4.4 g of `CO_(2)` is approx. :- A. `1.2 xx 10^(23)` B. `6 xx 10^(22)` C. `6 xx 10^(23)` D. `12 xx 10^(23)`
Description : In which of the following conversions all the three oxygen atoms of `O_(3)` molecules are utilised for oxidation: I. Ferrous oxide to ferric oxide II.
Last Answer : In which of the following conversions all the three oxygen atoms of `O_(3)` molecules are utilised for ... and IV only D. II, III and IV only
Description : In `SO_(2)` two oxygen atoms are linked to the sulpher atom through double bonds. The two `pi` bonds are
Last Answer : In `SO_(2)` two oxygen atoms are linked to the sulpher atom through double bonds. The two `pi` bonds are A. ... (pi)-p_(pi)` and one `p_(pi)-p_(pi)`
Description : Ozone on reaction with one of the following reagents uses all its 3 oxygen atoms for oxidation
Last Answer : Ozone on reaction with one of the following reagents uses all its 3 oxygen atoms for oxidation A. `SO_(2)` B. ` ... of HCl C. `CH_(2)=CH_(2)` D. All
Description : If oxygen which has an electronegativity of 3.5 bonds with hydrogen which has an electronegativity of 2.1 the bond between the two atoms will be classified as a polar what bond?
Last Answer : Need answer
Description : What type of bond occurs when calcium atoms react with oxygen atoms?
Last Answer : The bonds are ionic.
Description : How many atoms of aluminum sulfur and oxygen are in 3 molecules of aluminum sulfate?
Last Answer : 1 formula unit of aluminum sulfate has the formula Al2(SO4)3. Sothere are 2 atoms of aluminum, 3 atoms of sulfur and 12 atoms ofoxygen in 1 formula unit of aluminum sulfate. There are nomolecules of aluminum sulfate. They are called formula units.
Description : What The double bond between carbon atom and two oxygen atoms has two characteristics what are they?
Last Answer : Four valence electrons are shared.Valence electrons are shared between oxygen atoms.
Description : When Atoms with a high electronegativity like oxygen have a strong attractive force for electrons because?
Last Answer : A. they're close to filling their outer shell, fulfilling the octet rule
Description : In the water molecule are electrons are equally shared by hydrogen atoms and oxygen atoms?
Description : How many oxygen atoms are in (NH4)2SO4?
Description : How many carbon atoms are in a molecule of maltose if the has 12 oxygen atoms?
Last Answer : 12 carbons...
Description : How many oxygen atoms are there?
Last Answer : 2
Description : Carbon dioxide is formed when to oxygen atoms chemically combined with a carbon atom which term best describes carbon dioxide?
Last Answer : Ggg
Description : Art B Calculate the number of moles of magnesium, chlorine, and oxygen atoms in 4.30 moles moles of magnesium perchlorate, Mg(Cl O 4 ) 2 Mg(ClO4)2 . Express the number of moles of Mg Mg , Cl Cl , and O O atoms numerically, separated by comma?
Last Answer : Answers is the place to go to get the answers you need and to ask the questions you want
Description : In an oxygen molecule, two atoms are united by - (1) one bond (2) two bonds (3) three bonds (4) four bonds
Last Answer : (2) two bonds Explanation: Two oxygen atoms can both achieve stable structures by sharing two pairs of electrons as in the diagram. Two electrons of each of the atom in the oxygen molecule ... is shown conventionally by two lines joining the atoms. Each line represents one pair of shared electrons.
Description : Heavy water is so called because it contains - (1) Heavy isotope of hydrogen (2) Heavy isotope of oxygen (3) Mole number of hydrogen atoms (4) Mole number of oxygen atoms
Last Answer : (1) Heavy isotope of hydrogen Explanation: Heavy water, formally called deuterium oxide, is a form of "water that contains a larger than normal amount of the hydrogen isotope deuterium, (also known as ... ) rather than the common hydrogen-1 isotope that makes up most of the hydrogen in normal water.
Description : Water contains (A) One hydrogen atom and one oxygen atom (B) Two hydrogen atoms and one oxygen atom (C) One hydrogen atom and two oxygen atoms D) Three hydrogen atoms and two oxygen atoms
Last Answer : Answer: Option B
Description : Molecular oxygen is said to be paramagnetic. This indicates that molecular oxygen: w) is a gas at room temperature x) forms molecules containing two oxygen atoms y) has an approximate molecular weight of 32 z) has unpaired electrons
Last Answer : ANSWER: Z -- HAS UNPAIRED ELECTRONS
Description : How many atoms of oxygen are in a glucose molecule w) 2 x) 6 y) 10 z) 12
Last Answer : ANSWER: X -- 6
Description : List the following atoms in order of increasing electron affinity: oxygen, boron, and fluorine.
Last Answer : ANSWER: (1) BORON, (2) OXYGEN, (3) FLUORINE
Description : Which one of the following atoms has two unpaired electrons in its ground state: w) Sodium x) Calcium y) Oxygen z) Aluminum
Last Answer : ANSWER: Y -- OXYGEN
Description : Schwann's cell theory basically states that: a) cells are the building blocks of living things. b) cells require oxygen. c) cells are made of atoms and molecules. d) cells require nutrients.
Last Answer : ANSWER: A -- CELLS ARE THE BUILDING BLOCKS OF LIVING THINGS.
Description : In an oxygen molecule, two atoms are united by (1) one bond (2) two bonds (3) three bonds (4) four bonds
Last Answer : two bonds