What is the Michaelis-Menten equation? a. What is the significance of a large Km? a small Km? b. What is the relationship between Km and "max ? 2
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- Silicon forms a series of compounds analogous to the al-kanes and having the general formula SinH2n+2. The first of these compounds is silane, SiH4, which is used in the electronics industry to produce thin ultrapure silicon films. SiH4(g) is somewhat difficult to work with because it is py-ropboric at room temperature—meaning that it bursts into flame spontaneously when exposed to air. (a) Write an equation for the combustion of SiH4(g). (The reaction is analogous to hydrocarbon combustion, and SiO2 is a solid under standard conditions. Assume the water produced will be a gas.) (b) Use the data from Appendix E to calculate ? for this reaction. (c) Calculate G and show that the reaction is spontaneous at 25°C. (d) Compare G for this reaction to the combustion of methane. (See the previous problem.) Are the reactions in these two exercises enthalpy or entropy driven? Explain.Which one of the following would slow therate of increase of atmospheric CO2?A. Building and operating more coal-fired powerplants.B. More use of catalytic converters in cars toproduce complete combustion.C. Use of hydrogen fuel produced using solar ornuclear energy.D. Conversion of nuclear power plants tomethane-burning power plants .E. Clearing and burning the tropical rain forests.M 9:-1 الاجابة عن جميع الاسئلة General Chemistry * Write The Number Of These Perfixe Giga 2-Pico 3- Milli -1 إجابتك Give The Systematic Name 1-ZNSO4 2-Te-2 3- HCI (g) 4-PF5 5-LIOH إجابتك Express 5,515,000 in Scientific Natation 1- With 1 Signifigant Figure(SFs) 2-With 2 SFs * 3- With 3 SFs 4-With 4 SFs إجابتك The Speed of sound in air at room temperature is about 434 m/s,calculate this speed in (mph) إجابتك
- 2 Fe + Oz→2 FeO The chemical in the pink box is a... A. subscript B. coefficient C. reactant D. product The number in the green box is a... A. subscript В. соefficient C. reactant D. product The numbers in red boxes are... A. subscripts В. соeficients C. reactants D. products The chemicals in the purple box are... A. subscripts В. соefficients C. reactants D. productsWhy is the rate of flow of exhaust gases over a catalytic converter important?-k col MISSED THIS? Read Section 6.7 (Pages 235-238); Watch IWE 6.12. Oxygen gas reacts with powdered aluminum according to the following reaction: 4Al(s) + 302(g) → 2Al2O3(s) esc Mother to Son &....pdf A 1 da FI Q A 1 N 2 귀 F2 W S X option command # w 3 80 F3 Ш E D 64 + $ 4 C T a F4 R 20 Part A What volume of O₂ gas, measured at 768 mmHg and 26 °C, is required to completely react with 55.0 g of Al? Express the volume in liters to three significant figures. [5] ΑΣΦΑ 1 Provide Feedback V= Submit F % er de 5 FS V Request Answer H T G MacBook Air ^ 6 FG Y B & M 7 H 8 F7 U N ? * 8 L J DII FB 1 ( 9 M DD K FO O O command .
- For the reaction: C2H5OH(I) + 302(g) 2C02(g) + 3H20(g), ArU = -1373 kJ mol- 1 at 25 °C. Calculate ArH. O A 4.955 kJmol- O B. 1373 kJmol OC+1368 kJmol-1 D. +4.955 kJmol O E. 1368 kJmol-13. The diagram shows a Maxwell-Boltzmann distribution curve for two different temperatures, Ti and T2. Ea represents the activation energy. Which of the following statements is/are INCORRECT? T1 FA T2 Energy A. There are more collisions possessing the activation energy for temperature T2 than for T1 B. Temperature T2 is greater than temperature Ti C. The particles at temperature Ti and T2 have an equal number of collisions possessing the activation energy D. There are less collisions possessing the activation energy for temperature T2 than for Tr Number of MloleculesRank the following in order of stability, from most stable -1 to least stable - 4
- Prof. Neiman and Prof. James were first to discovered in 1973 that chlorofluorocarbons (CFCs) were depleting the Earth’sozone layer when released into the atmosphere. Once they reach the stratosphere, Clis released from the CFCs molecules by interaction with UV light. Free Cl atoms areable to react with ozone in a catalytic cycle that converts O3into the more stable O2.It is estimated that a single Cl atom is able to react with∼100000 O3molecules.Although CFCs production was banned in 1996, there are still a substantial numberof motor vehicle air conditioners (MVACs) that use CFC-12 (CF2Cl2) as refrigerant.The average CFC-12 emission rate from operating MVACs has been estimated tobe 59.5 mg per hour per vehicle (Zhang et al.Environ. Sci. Technol. Lett.2017).How much chlorine, in kg, is added to the atmosphere in a year due to 100 millionMVACs using CFC-12 as refrigerant?Which energy levels precede and succeed 4s ?The amount of O, in the primitive atmosphere was likely pretty small. However, in order for aerobic organism to develop, there must have been a source of O, for them. Water maybe? 2 H-O-H → 2 H-H + O=0 What is more energetically stable, the reactants or the product? A. Reactant mixture B. Product mixture C. Need more information to determine D. Don't know how to predict
