Answers: 3 on a question: Mg(s)+2HCl(aq) → MgCl2(aq)+H2(g) In an experiment, a student places a small piece of pure Mg(s) into a beaker containing 250.mL of 6.44MHCl(aq) . The value of the equilibrium constant for the reaction below is 40.0 at a specified temperature. The two products formed are 2-methyl-1-hexene (19%) and 2-methyl-2-hexene (81%). Fe+H2SO4->FeSO4+H2 The characters realize that their hideout has been discovered by the police and they still have a last handgun that weighs 0.25 kg to, Hi, Find the exact value of the following expression: Sin^-1(1/radical2) (Its inverse sin(1/radical2) Direction -(Type your answers in interval notation. The reaction is first-order in NO2 and first-order in F2. Show that the reaction is a first order reaction. The buffer equilibrium reaction is: GlycineAmideHCl GlycineAmide + H+ which has the general form: BH+ B + H+ I'm, I'm working on substitution organic chemistry problems and I just had a question. enzymes and substrates overall reaction: S -> P step 1: E + S -> ES fast step 2: ES -> E + S fast step 3: ES -> E + P slow what is the order of the reaction in E and what is the order of reaction in S? But on the computer it says the answer is wrong. The answer will appear below; Always use the upper case for the first character in the element name and the lower case for the second character. The problem says The equilibrium constant, Kc, for the reaction of H2 and N2 is 1.7×10^2 at 225 ∘C. Can switching formulas make babies throw up? Convert 3.5 g H2 gas to mols. If 137.1g of water was actually collected after the reaction, what is the percent yield? If the contents of the reaction mixture described above are filtered, what substances, if, One mole of N2 and three moles of H2 are placed in a flask at 375 C. Calculate the total pressure of the system at equilibrium if the mole fraction of NH3 is 0.21. Enter either the number of moles or weight for one of the compounds to compute the rest. Given that 0.004mol of magnesium was used to produce 0.004 mol of hydrogen gas, what is the molar mass of magnesium? Zinc + hydrochloric acid ==> zinc chloride + hydrogen. Add / Edited: 13.06.2015 / Evaluation of information: 5.0 out of 5 / … Limiting reagent can be computed for a balanced equation by entering the number of moles or weight for all reagents. Reactions with lithium hydroxide LiOH: 2 LiOH = Li2O + H2O (800-1000°C, in the atm. The same also apples to reaction 4. Use the mole ratio of CuO produced per mole of malachite to write a balanced equation for the malachite decomposition reaction. Under certain conditions, the rate law for a the reaction is rate = 4.0 x 10-3 1/M2*s * [NO]2* [O2] What is the rate when [NO]=0.020 M and [O2]=0.035 M? Mg + 2HCl --> MgCl2 + H2 The type of chemical reaction is a Single Replacement. (Enter your answers as a comma-separated list.) Similarly, which type of reaction is Mg S? How many male babies are born each year compared to female babies? [1ΔH f (MgCl2 (aq)) + 1ΔH f (H2 (g))] - [1ΔH f (Mg (s)) + 2ΔH f (HCl (aq))] [1(-801.15) + 1(0)] - [1(0) + 2(-167.15)] = -466.85 kJ-466.85 kJ (exothermic) PLEASE HELP!!! The Second Great Awakening was a conservative reaction to deism, the expanding frontier, & the industrial revolution. 2-methyl-2hexanol is reacted with sulfuric acid at around 800C. His most likely diagnosis is: A. Tums tablets contain CaCO3 that reacts with stomach acid as follows: CaCO3 (s) + 2HCl (aq) → CaCl2 (aq) + H2O (l) + CO2 (g)  Suppose the tablet was analyzed by adding 50.00 mL of 0.200 M HCl, which resulted in leftover excess HCl. valence it' 0 1,-1 2,-1 0. Acarrentalcompanyusesthefollowingtabletohelpcomputerentalfees. I shall be happy to check your, Suppose you have a reaction that has a ΔH of +80 kJ and a ΔS of 215 J/K. If you are at an office or shared network, you can ask the network administrator to run a scan across the network looking for misconfigured or infected devices. Show the chemical equation for this reaction. At this rate, how many pages can she type in m minutes? • A strong acid as is HCl reacts with water HCl + H2O = H3O + + Cl-. Convert mols H2 gas to mols NH3 using the equation, I've to solve the following absolute value equation 8|w-7|=72. The equation is a number times X what's the equation. Mg +2HCl -----MgCl2+H2 what type of reaction is this and why? Also know, what type of reaction is Mg 2HCl MgCl2 h2? A first order reaction has a rate constant of 0.0733 s−1. t (mins) 0 5 15, The reaction 2SO + O2 ¨ 2SO3 is exothermic. However the problem is that when I'm checking the equation with the answers it's not coming right. If 0.3888 g of the sample requires 37.74 mL of 0.1000 M NaOH to neutralize the H2C4H4O6 completely, what is the percentage of H2C4H4O6 in the sample? Heat is always released by the decomposition of 1 mole of a compound into its constitute elements. I don't even know how to start this . Magnesium and hydrochloric acid react according to the chemical equation: Mg + 2HCl => MgCl2 + H2. A reaction occurs, as represented by the equation above. How would I simplify this quadratic equation: y=-15/20.25(x^2+3x+2.25)+0 This is my work already done the original equation I was given but I need help simplifying the equation I have found. calculus. I'm stuck, Based on the following balanced equation: 2 NH3 + 2 O2 -->N2O + 3 H2O a. write the equation for this reaction, and identify the isotope into, This is a good paragraph (i'll xplain) On the Line below, explain how you determined the type the type of quardrilateral ploted on the grid. all chemical reactions can be classified as one of five general types --- is the correct skeleton equation for the reaction that takes place when solid phosphorus combines with oxygen gas to form diphosphorus pentoxide P (s) + O (g) --> P5O2 (g) Mg + HCl ---> MgCl2 + H2. Calculate the reaction quotient Qc, Complete the equation for te function picturEd in each mapping diagram. Mg +2HCl -----MgCl2+H2 what type of reaction is this and why? chemistry a. What is molarity of products? What would be the value of that constant for the reverse reaction under the same conditions? Examples of complete chemical equations to balance: Fe + Cl 2 = FeCl 3 Ask for details ; Follow Report by Preen0rajsweethihus 31.08.2016 Log in to add a comment complete and balance the equation for this reaction.
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