What is the correct way to write mercury in a formula? How would it be used in the examples and why is it written as Hg2 (2+) and Hg (2+)?

Q: If 91.0 g of oxalic acid and 79.0 g of methanol react to form 89.0 g of dimethyl oxalate, what is…

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Q: Consider these compounds: A. PbSO4 B. AgI C. Ag₂SO3 D. Fe(OH)₂ Complete the following statements by…

A: Answer: All 5 compounds mentioned in the problem statement are sparingly soluble compounds and we…

Q: Consider a solution prepared by combining 45.0 g of BaCl2 with enough water to prepare a 750.0 mL of…

A: The number of molecules of BaCl2 is calculated as shown below where 45.0 g is the given mass, 208.23…

Q: 8. Answer the question below. Use the rubric in the materials for help if needed. You have a 155 g…

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Q: Let's say you are working in a laboratory with a group and you are the only student who has taken…

A: According to given information, Mass of unknown hydrate CoCl2. XH2O = 33.92 g - 32.27 g = 1.65  g…

Q: WHEN THE REACTANTS BELOW ARE MIXED TOGETHER WHICH OF THE CHOICES INDICATED WHICH IONS CAN FORM…

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Q: One day in lab, while washing some glassware, your friend Hamad (an expert chemist) says this:…

A: Given statement; Soluble metal oxides form hydroxides when dissolve in water.  Given reaction;…

Q: Differentiate between carbonate and carbonic acid?

A: The chemically charged species which are composed more than one kind of elements are known as…

Q: You need to prepare 500 mL of a 0.50 M of BaCl₂ for your laboratory analysis. The available form of…

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Q: Which statement is false regarding hydrofluoric acid (HF)? NaF is a source of HF when dissolved in…

A: HF is a weak acid. NaF is the salt of weak acid (HF) and strong base NaOH

Q: d. Write an equation for the reaction of each acid with NaHC03.

A: NaHCO3 is a basic salt ,it has pH value above 7. Thus it reacts with acid and form salt and water…

Q: Consider these compounds: A. CaSO4 B. COCO3 C. Fe₂S3 D. Zn3(PO4)2 Complete the following statements…

A: Solubility of compounds can be compared on the basis of their Ksp (solubility product constant)…

Q: Consider these compounds: A. Ba3(PO4)2 B. PbCro4 C. FezS3 D. Cuco3 Complete the following statements…

A: we are required to determine whether zinc phosphate is more or less soluble than any of these given…

Q: Consider these compounds: A. MgCO3 B. Zn(OH)2 C. COCO3 D. Zn(CN)2 Complete the following statements…

A: The compounds are A. MgCO3 B. Zn(OH)2 C. CoCO3 D. Zn(CN)2

Q: A 15-g sample of lithium is reacted with 15 g of fluorine to form lithium fluoride: 2Li + F2 →…

A: First convert mass into mole by diving molar mass respectively Then Calculate limiting reagent by…

Q: Consider these compounds: A. CaCrO4 B. Ba3(PO4)2 C. FeS D. Fe₂S3 Complete the following statements…

A: The question is based on the concept of solubility product principle.It states that when a weak…

Q: Write the empirical formula for at least four ionic compounds that could be formed from the…

A: Ionic compounds are made up of anion and cations And hence any ionic compound will have at least 1…

Q: In the wintertime, it is common to sprinkle a salt, such as NaCl or MgCl2, on icy roads and…

A: In the wintertime, it is common to sprinkle a salt, such as NaCl or MgCl2, on icy roads and…

Q: 4. Fill in the blanks. Acid Ка pKa Methanoic acid, HCOOH Ethanoic acid, CH3COOH Hydrocyanic acid,…

A: Note: As per our guidelines, we are supposed to answer only one question when multiple questions are…

Q: For each substance include its state of matter (using words, not symbols). Your sentences should…

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Q: 3. What physical property of water and HCl allows us to separate them from the zinc chlorine…

A: Solution: We know the solubility principle i.e. likes dissolves like. Since HCl is the strong acid…

Q: Write the chemical reaction of Iron Sulfide (FeS2) to create Sulfuric acid in mines. It reacts with…

A: It is used in the preparation of hydrogen sulphide gas.In hair dyes, paint, ceramics, bottles and…

Q: Complete the columns in the table: formula: (NH4)2SO4 H3PO4(aq) S2Cl2 HgCO3 NH3 K2HPO4 name:…

A: We have to complete the following table. In this we need  to know the characteristic bonding nature…

Q: 4. For the following reaction, predict the products AND balance the equation. You must show your…

A: unbalanced equation : Na + Cl2 ----> NaCl  balanced equation : 2 Na + Cl2 ----> 2 NaCl

Q: (f) H,SO, (g) HNO, (h) HC10, (i) H,SO;

A: Anion should be name with end -ate Cation should be named as such.

Q: 1. (Balance the equation) H,SO+NaOH>H,SO+H,O

A: A balanced chemical reaction equation has equal number of atoms and charges on both reactant and…

Q: Net Ionic Equation for the following (include phase labels and ion charges): Na2SO4 + BaCl2 Thanks!

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Q: 2. a) The oxidation number of an atom is typically the same as the charge of its common ion,…

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Q: atom and form compound XCl. Distinguish between the physical properties of metal X and XCI

A: Applying basic characteristics of metal and ionic compounds.

Q: Phosphoric acid, H3PO4. has K1 - 7.5 x 103 K,2 = 6.3× 108 K,3=4.7×10*13 HPO,2 + H20= HPO4* + OH"| K…

A: For an aqueous solution at equilibrium the water undergoes self ionization with ionization constant…

Q: What is the total number of carbon atoms on the right-hand side of this chemical equation?…

A: To answer this question we need to count the total number of atoms of carbon (i.e.- "C") on the…

Q: A hydrate of iron (II) sulphate, FESO, xH,0 is 20.0% iron by mass. A) What is the chemical formula…

A: The compound given is FeSO4·xH2O. And mass percent of iron i.e. Fe in compound = 20.0 %. Assuming…

Q: HF + Li,CO, –→ H,0 + CO, + Li,F 3

A: We have to choose which is mistake in the given chemical equation

Q: how do I correctly name the fallowing  NO2  IF2  H3PO4

A: IUPAC provides a set of rules to name an inorganic compound unambiguously. Usually, the name of the…

Q: 10. Write the completed and balanced equation with the correct physical state for each species in…

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Q: Br2(at)+2NaI(aq) --> 2NaBr(aq)+I2(aq) Cl2(aq)+2NaBr(aq) --> NaCl(aq)+Br2 Which of the three…

A: Br2(aq)+2NaI(aq) --> 2NaBr(aq)+I2(aq)   ......(1)  Cl2(aq)+2NaBr(aq) --> NaCl(aq)+Br2…