(SO ) pour donner du soufre (S) et de l'eau selon l'équation suivante: (g) Le sulfure de dihydrogène (H,S) est un gaz qui réagit spontanément avec le dioxyde de soufre + SO2 (8) 3. H,S (g) + H,O a) Balancez l'équation.

Q: Nombre de protons Nombre de neutrons Carbon: C 6 6 Hydrogen: H 1 Oxygen: O 8 1- Distinguish between…

A: Anything which occupies space & have mass is matter. Example: Elements, compound.

Q: 17. Which of the following pairs of oxides will react with both dilute acid and alkali to form…

A: This is an acid base reaction

Q: (c) (i) Give the formula of the stable oxides of the elements of Period 3 in the table below. Symbol…

A: c(i)  Element Na Mg Al Si P S Cl Ar Fomula of oxide  Na2O MgO Al2O3 SiO2 P2O5 SO2 Cl2O -

Q: An oxide in Period 3 reacts with NaOH and HCl to form salts. What is the formula of the oxide A CO:…

A: A multiple choice question based on periodic table, which is to be accomplished.

Q: List and explain the unique characteristics of hydrogen?

A: Hydrogen element has different properties and characteristics in the whole periodic table. After…

Q: What are the three types of oxides? Using chemical equations and any other information to support…

A: Three types of oxides: 1. Acidic oxide 2. Basic oxide 3. Amphoteric oxide

Q: What is the LOQ and LOD? How do they influence each other? And what is the reason for having low LOD…

A: In chemical analysis such as the analysis of trace elements, the contents are accurately measured in…

Q: 3. Write equations for the reactions of Strontium hydride and radium peroxide with water. а. b.

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Q: Elemental phosphorus is tetratomic. Why?

A: Phosphorous is a element with large atomic size.

Q: List the properties of Oxygen?

A: The elements of group 13 to 18 in the long form periodic table form the p-block elements. They have…

Q: Explain why phosphorus forms pentahalide whereas nitrogen and bismuth do not?

A: The geometry (or hybridization) of a molecule depends on the electrons present in the outer shell as…

Q: What will you use (OA or RA) to make possible the following reactions ? OA= Oxidising Agent ,…

A: Given Reaction a)   NO3 - → NO2-b)   FeO → Fe2O3

Q: me compound whích is responsible for acid rain is DA sutur OE sultur dioride OC sufur trianide

A:

Q: You are investigating the reactivity of magnesium. a) Draw a box diagram to show the electron…

A: a) Electronic configuration of Magnesium is, 1s2 2s2 2p6 3s2     b) Chemical formula of Magnesium…

Q: 173: Upon oxidation, barium (Ba) compounds give

A: Since we know that Ba is an alkaline earth metal which generally identify by  flame test .

Q: When two different halogens react with each other, they form: Interstitial hydrides O lonic hydrides…

A: The products formed when two different halogens react with each other has to be explained.

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A:

Q: Carbon monoxide is an odorless, colorless gas that causes hypoxia, cell damage, and death.  Can you…

A: Carbon monoxide produce by incomplete combination of fuel.

Q: how many moles of nitrogen needed for complete reaction with 9 moles of hydrogen?

A: Moles of Hydrogen = 9 molesNitrogen reacts with hydrogen completely.We need to calculate the moles…

Q: Why would you say that Space Shuttles rather use hydrogen as its primary fuel source?

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Q: Do you expect fluorine to be the strongest or weakest oxidizer among the halogen family? Which halid…

A:

Q: Summarize the chemical and physical properties of (a) the alkali metals, and (b) the alkaline earth…

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A: Selenium is an essential metal for human and other animals, but taking higher doses can be harmful.

Q: Summary of cation analysis of group V:

A: Group 5 Common cations, which do not react with reagents of the previous groups, form the last group…

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Q: What are the major health concerns associated with exposure to nitrogen dioxide?

A: Nitrogen dioxide should be handled carefully. It is a dark brown to yellowish liquid. It has a…

Q: (i) List the various types of oxides with examples for each type

A: Oxides are chemical compounds that include one or more oxygen atoms.Depending upon nature and the…

Q: Fe

A: Chlorination of benzene. In this reaction, when benzene reacts with chlorine there will be the…

Q: Although the alkali metal halides can be prepared directly from the elements, the far less expensive…

A: The alkali metal halides can be prepared directly from the elements, the far less expensive…

Q: 7. Write equations for the formation of these compounds from the elements: a. Strontium Hydride b.…

A: Synthesis of the compound from elements means their synthesis in 1 mol amount . That means to form…

Q: Question No. 5 How many of the given oxides show acidic property? Na20, K20, SO2, SO3, CO2, Zn0,…

A:

Q: Refaene) The decomposition of a sample of a componad produced 1.20 x 10 stoms of artrogen and 16.0…

A:

Q: 8. Write equations for the reactions of Strontium hydride and radium peroxide with water. а. b.

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Q: Write the balanced equation of the reaction between Ba and excess oxygen.    7. Write the balanced…

A: Barium(Ba) is a group-2 metal with 2 valence electrons.

Q: Why ZnO appears yellow on heating?

A: The interruption of patterns in the solid crystal leads to the formation of defects.Stoichiometric…

Q: Reactivity of nitrogen is very little. Why?

A: