Te [Kr] 四四 5s 4d 5P

Q: Polychlorinated biphenyl (PCBs) are environmental contaminants composed of carbon, hydrogen, and…

A:

Q: the final concentration when water is added to 2.0 L of a 6.0 M NaHCO3 solution so that the final…

A:

Q: mass of empty calorimeter (g) 22.39 mass of hot water (g) 119.4 initial temp (Celsius) 64.43 mass…

A: When ice would be placed in hot water , hot water would release heat and ice would gain heat . At…

Q: Determine the volume of concentrated (14.7 M) phosphoric acid is needed to prepare 25.0 L of 3.0 M…

A: Molarity is defined as the ratio of the number of moles of solute to the volume of solution in…

Q: Question is attached

A: Combination reaction can be defined as a reaction in which two or more compounds or reactants…

Q: 1. If you increase the volume of a certain amount of gas while holding its pressure constant,…

A:

Q: Consider the following reaction:                 N2 (g) + 3H2 (g) ⇌  2NH3 (g) If Kc = 9.86 × 10-3…

A: Consider the following reaction:                 N2 (g) + 3H2 (g) ⇌  2NH3 (g) Given that Kc = 9.86 ×…

Q: Below are some of the common chemical reactions that either take place on Mars or will be needed for…

A: As per the rules only the first three sub-parts can be answered

Q: Consider these reactions, where M represents a generic metal.…

A: The given equations are as follows. 2M(s)+6HCl(aq)⟶2MCl3(aq)+3H2(g)…

Q: What evidence of a chemical reaction might you see when the chemical reaction below is run in a…

A: The given reaction is: Na2S (aq)  +  CuSO4 (aq)  ⟶  Na2SO4 (aq)  + CuS(s) Here, by the double…

Q: * :The concentration of ( mgO) in bone is a-10.2 b-0.2 c-0.3 d-4 :We can write law the work as…

A:

Q: Consider the following chemical reaction: CO2(g) + NaOH(aq)  ---------> Na2CO3(s) + H2O(l) CO2(g)…

A: Initial moles of CO2 taken can be calculated using the ideal gas equation.

Q: 3. Iron (III) oxide + carbon monoxide produce iron + carbon dioxide (Fe = 0 KJ) Fe203 (s) + 3 CO (g)…

A: The question is based on the concept of chemical thermodynamics. we have to calculate the enthalpy…

Q: Match the following. Match the words in the left column to the appropriate blanks in the sentences…

A: We have to match the columns.

Q: Methane gas (CH4) burns in oxygen gas (O2) to produce carbon dioxide gas (CO2) and water vapor…

A: Answer  Chemical reaction for the combustion of Methane

Q: Use the information and table to answer the question. A chemistry company is hired to produce sodium…

A:

Q: Part D Follow these steps to complete the table. 1. Reuse the same test tubes from part C, labeled…

A: You have solved part C that's great, now i have to solve part D only, so, let's starts.

Q: Label each figure below as a physical or chemical change and explain how you know in complete…

A: Physical changes are the changes observed when the physical properties of the molecule changes, such…

Q: Write the dilution expression and define each term.

A: The dilution expression and the term has to be given,

Q: Consider these reactions, where M represents a generic metal.…

A: Given reactions: 2M(s)+6HCl(aq)→2MCl3(aq)+3H2(g)      ∆H1=-669.0 kJ----eqn(1)HCl(g)→HCl(aq)…

Q: 1. Iron (Fe) nail + CuSO4 solution ? turned into the rusty Iron (Fe) nail turned into black…

A: We have to predict product of reaction, and name of salt.

Q: Imagine that you perform a combination reaction between 30.0 g of sodium metal (Na) with 20,.0 g of…

A:

Q: 2. Consider the chemical reaction between NaHCO3 and HCI in the experiment, what was the cause of…

A: Since you have posted multiple questions, we will solve only first question for you. To get the…

Q: During the lecture we discussed this reaction: 2 NO2 (g) – N204 (g) what would you expect to happen…

A: The reaction given is Hence the equilibrium constant for the above reaction is where [N2O4] =…

Q: Ejercicio 1. Balancea las siguientes ecuaciones:   (a) PCl5(s) + H2O(l) ⟶ POCl3(l) + HCl(aq) (b)…

A: Hello. Since the question contains multiple sub-part, the first three sub-parts are solved. In case…

Q: Answer these questions in not less than 3 sentences.  How is the quantity of a gas related to those…

A:

Q: Consider the following balanced equation: Cl 2(g) + 2 Br (aq) Br 2(aq) + 2 CI (aq) [CI 2] [Br ] Rate…

A:

Q: Consider these reactions, where M represents a generic metal.…

A: In-order to find the enthalpy change of the desired reaction, the given reactions has to be written.…

Q: 10.A teaspoon of dry coffee crystals dissolves when mixed in a coup of hot water. This process…

A: The answer to the following question is-

Q: Datasheet A. Preparation of Aspirin A.1 Mass of flask A.2 Mass of flask and salicylic acid Mass of…

A:

Q: There is a double displacement between calcium carbonate and hydrogen chloride to yield calcium…

A: Solution: We know calcium carbonate is basic in nature,so react with Acid HCl. CaCO3 + HCl =>…

Q: Consider the following chemical reaction: 2HCl (aq) + Mg(OH)2 (s) → 2H2O (l) + MgCl2 (aq) What…

A: In given reaction state of reactants and product given.

Q: (CN), : (CN),rt : P(NH,),P+ :

A: Using concept of electronic configuration of central metal ions.

Q: Which of the following pairs of reactants will react to produce gas, and what gas(es) will form! a.…

A: a) The reactants given are Zn and H2SO4.

Q: Use the given information to determine the enthalpy of the reaction

A:

Q: For the reaction CH4(g) +2O2(g) ⇄CO2(g)+2H20(l) Show w arrow how to reduce the following stresses…

A: To solve this problem we can apply the concept of Le Chatelier  principle. According to this…

Q: CH, CH,CI AICI,

A:

Q: Cl(aq) + NO₂ (aq) → NO(g) + Ch (g) Express your answer as a chemical equation. Identify all of the…

A:

Q: The following reaction yields a precipitate.  What is the chemical formula of the precipitate?  Your…

A: The reactants given are, 1) AgClO4 (aq)  2) NaBr (aq)

Q: 11. Consider the following chemical reaction: CO2(g) + NaOH(aq)  ---------> Na2CO3(s) + H2O(l)…

A:

Q: Volume of CO, Gas Produced (mL) (Last Name A-D) Volume of CO, Gas Produced (mL) (Last Name E-L)…

A: Note: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question…

Q: M final project in algebra 2-20094 X Launch Meeting - Zoom 6 dearbornschools-org.zod…

A: Since you have asked multiple questions having multiple sub-parts, we are solving first three…

Q: Aluminum metal is produced by passing an electric current through a solution of aluminum…

A: Molar mass of Al2O3 = ( Atomic mass of Al ) X 2  + ( Atomic mass of O ) X 3…

Q: 1. Company vehicle records indicate that 140 g of sodium azide was placed in the air bag during…

A: We are given 140 g of sodium azide. We have to find the number of moles of nitrogen gas produced by…

Q: A series of BOD tests was run at three different dilutions. The results are shown on the table. What…

A: The answer is attached below-

Q: 1. Statement 1: beside its value for jewelries currency and electronics gold is also important in…

A: Gold is a coinage metal and also have uses in health professions. Gold is used to prevent joint…

Q: Molecular oxygen (O2) can be converted to ozone (O3) in the presence of an electrical spark,…

A: We need to identify the type of change in given reaction.

Q: How many moles of gas are formed when 1 cm3 of ammonium nitrate is reacted completely according to…

A: "Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: Consider the following unbalanced chemical equation: CH4 (g) + O2 (g) → CO2 (g) + H2O (g) What…

A: Balanced chemical equation and states of matter is given as follows

Q: What symbol is missing from the equation: 4 He +??? 2 235 92

A: The given equation show that , in the reaction Alpha decay is occured . The Alpha decay is a type of…