Calculate the energy difference (AE) for the electron transition of n = 6 ton=1 for 1.00 mol of hydrogen atoms. Enter your answer in scientific notation. X 10 6 J/mol

Q: moles

A: In the balanced chemical reaction,  Number of atoms of each element in reactant side is equal to…

Q: Write the balanced chemical equation for the reaction of solid strontium with iodine gas.

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Q: Predict the product when the two substances mix. If the reaction occurs, write the balanced chemical…

A: A reaction is called balanced when number of atoms in reactant and product side are equal to each…

Q: K (s) + Br₂ Br₂ (8) K (s) + Li (s) ca (s) F2 (g) → N₂ (8) + N₂ + Cl₂ (8) Na + 02 (9) (s) Al (s) +…

A: By using periodic table concept we can complete the reaction as follows

Q: The following diagram (Figure 1) is a representation of 20 atoms of a fictitious element, which we…

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Q: Differentiate between Atomic and Ionic Radii?

A: The difference between Atomic and Ionic Radii have to be given below.

Q: 4. What is the definition of thermal chemistry? The study of change that involves temperature The…

A: Thermal chemistry is associated with quantity of heat involve in a chemical reaction.

Q: A photon of light from a laser has an energy of 2.287 × 10−19 J. What is the total energy in two…

A: The objective of this question is to find the total energy in two moles of photons, given the energy…

Q: Lithium Oxide (Li2O) is a highly reactive chemical species which reacts to give electrons to other…

A: Lithium oxide (Li2O ) is highly reactive species.

Q: Write a feature which will distinguish a metallic solid from an ionic solid.

A: Introduction : We have to tell one feature how metallic solid is different from ionic solids .

Q: A 4570 g sample of an element contains 5.009x10^25 atoms. Identify the element.  - Fe - V - Cr -…

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Q: atoms

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Q: What type of ion is Na+?

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Q: 1. How does the electron theory explain (a) why a rubber rod becomes negatively charged when rubbed…

A: When a rubber rod is rubbed with a fur the electron get transferred from the fur to the rod thus…

Q: Between these two elements, which is the MOST reactive: strontium (Sr) or barium (Ba)?

A: Barium is the most reactive element than strontium.

Q: What is the edge length (in cmcm) of a titanium cube that contains 2.41×10242.41×1024 titanium…

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Q: A sample of cesium metal reacted completely with water, evolving 2.028 mmol of dry H 2 at 19 degrees…

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Q: silver nitrate + sodium chloride → silver chloride + sodium nitrate List two physical / chemical…

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Q: Arrange the following ions increasing Smallest in order of ionic radius Cesium ion, iodide ion,…

A: Since,As we move from left to right in a period then size decreases .But when we move from top to…

Q: Differentiate between metal and non-metal on the basis of their chemical properties.

A: Metals are lustrous and opaque elements which are good conductor of heat as well as electricity. And…

Q: (a) Calculate the number of electrons in a small, electrically neutral silver pin that has a mass of…

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Q: Write the balanced chemical equation for the reaction of solid lithium with liquid water?

A: Lithium reacts intensely with water, forming lithium hydroxide and highly flammable hydrogen. The…

Q: As you move down a family (group) of the periodic table the size of atoms increases from period 2 to…

A: The long form of periodic table is the arrangement of all elements in the increasing order of their…

Q: Which of the following combination of elements is the most reactive? Cs and I Na and Br Cs and Br…

A: Greater is the difference in electronegativity between two atoms in a molecule, higher will be the…

Q: A 2.540 g sample of an oxide of tin was heated in the air until the mass of the sample no longer…

A: Mass of tin (IV) oxide is 2.842 gmolar mass of tin (IV) oxide = 150.71 g/molatomic mass of tin =…

Q: Two neutral objects are sketched below, in black and white. There are positive and negative electric…

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Q: Hypothetical elements X and Y form a molecule XY2, in which both Y atoms are bonded to atom X (and…

A: X-Y distance in the molecule XY2 will be 186 pm.  Bond length of any molecule is given by the…

Q: Classify each element as a metal, a semimetal, or a nonmetal.    Ga, Ge, Sc, S, Sb, Bi,Se

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Q: Which has the larger radius, N3- or P3-? Explain. (You may use a periodic table.)

A: The given species are N3- and P3-.

Q: For salt (NaCl) and sugar (sucrose, C12H11O11) added to water, draw pictures of what you expect the…

A: Given information: NaCl and sucrose molecules.

Q: The following diagram (Figure 1) is a representation of 20 atoms of a fictitious element, which we…

A: Given Red sphere = 293NvBlue sphere = 295Nv

Q: Two common oxides of iron are FeO and Fe2O3. Based on this information, tell how you would predict…

A: Iron has two common oxidation state, Fe2+ and Fe3+. To differentiate between Fe2+ and Fe3+ in…

Q: (b) A new element, "X", is discovered and found to have 2 electrons in its outer level. Is X a metal…

A: Given that - New discovered element , with symbol of "X" has 2 electrons in it's outermost Valence…

Q: What is the chemical formula for the compound formed between manganese(IV) and chlorine?

A: Manganese (Mn) is a transition element and Mn is present in +4 oxidation state . Cl (atomic number =…