Q1. Match the followings: Soviet Unionlaunches the first satellite into space 1958 The US launches the first American satellite into space 1957 First human space flight is achieved by the Soviet Union. May 19th, 1961 First planetary flyby (Venus) completed by the USSR 1961
Q: 1. Calculate the mole fraction of the solute in the following solutions: a. 100.0 grams C2H60 in…
A: Here, we have to calculate the mole fraction of the solute in: a) 100.0 g of C2H6O in 100.0 g H2O.…
Q: 5. Which of the following equations represents the net ionic equation for the reaction? a. Na*(aq) +…
A:
Q: Use this information to answer Questions 3, 4, and 5: The equilibrium constant (K) of the reaction…
A: When reaction quotient (Q) is less than equilibrium constant (K) , equilibrium of the reaction moves…
Q: Q10. A runner runs 4875 ft in 6.85 minutes. What is the runner's average speed in miles per hour?…
A: 10) Given, Distance a runner runs = 4875 ft Time taken = 6.85 min Runners average speed = ? mi/hr…
Q: What is the relationship between the solubility product constant and the molar solubility for the…
A: We have to find out the relationship between the solubility product and solubility in the given…
Q: A student prepares a solution of hydrochloric acid that is approximately 0.1 M and wishes to…
A: 3 (a) Given :- molarity of NaOH solution = 0.07575 M volume of NaOH solution = 38.92 mL volume…
Q: from highest to lowest, 4 being the lowest. use 1-4 for the answers please
A: We have to rank the following substances according to their boiling point in decreasing order of…
Q: Use q and AT to determine Ceal Greaction = -Cca AT -59.2 Cal = -Ccal (8.0 °C) -59.2 Cal Cal Ccal = =…
A: Calorimeter constant is a constant that determines the heat capacity of calorimeter.
Q: 6.) 2 H2O(1) + Al(s) + MnO4 (aq) → Al(OH)4 -(aq) + MnO2(s) 7.) Mg (s) + 2 HC1 (g) →MgCl2 (s) + H2…
A: We have to tell which species is oxidised and reduced
Q: conceming phenylamine (aniline) is (are) true? It yield nitrogen gas when treated with 2. It is a…
A: The question is based on the concept of basicity. we have to determine the characteristic property…
Q: mole fraction for th
A:
Q: The molar mass of glucose (C6H1206) is 180 g/mol. Which of the following procedures should you carry…
A:
Q: S.5. Write the explicit formulas of A, B, C and D in the synthesis below. H CI A B H* Et,N H2O…
A: Given reaction,
Q: Trial 1 2 3 4 Data is collected for the gas phase reaction 2A+B+3C → Products at 470 K. - 5 Use the…
A:
Q: O Treatment of 1.385 g of an unknown metal M with an excess of aqueous HCl evolved a gas that was…
A:
Q: For the calculating change in pH question, some of the volumes of acid required were very very…
A: As no equipment is available so measure and transfer very small volume of acid. So we need to use…
Q: 7.10 An x-ray has a wavelength of 1.3 Å. Calculate the energy (in J) of one photon of this…
A: Given: λ=1.3 AoSince 1 Ao=10-10 mλ=1.3 Ao×10-10 m1 Ao =1.3×10-10 m
Q: Which of the following statements is(are) true about gases? When the gas produced from the…
A: BTB solution : It is a pH indicator , it has pH range of 6-7.5
Q: S.4. Using the Malonester synthesis, write the synthesis of the following compound by showing its…
A: malonester synthesis is a chemical reaction in which diethyl ester or any other ester of malonic…
Q: PLEAS ANSWER 43
A: Water has a high heat of vaporization, the amount of energy needed to change one gram of a liquid…
Q: vii Is this reaction spontaneous? Why? viii Draw and label the cell for this reaction. ix Write the…
A: Balanced Chemical reactions are the way of expressing the stoichiometric quantities in a definite…
Q: 1. Name this alcohol according to the IUPAC system. H2C-CHCHCH2C=CH 2. Write in the reagents a)…
A:
Q: Please answer all 8 blanks please!
A: Enzymes are basically proteins. These are substances that acts as a catalyst in living organisms,…
Q: Identify the reagents necessary to achieve each of the following transformations: он OH (a) (b) (c)…
A: The details solution for this is provided below in attach image.
Q: 1. For the coordination compound: [Fe(CO),(H₂O)₂ ]Cl₂ a. Can the complex ion demonstrate cis-trans…
A: Coordination number: Total number of donar atoms linked to central metal atom.Comple ion of form…
Q: 1. Vitamin C has the formula C,H,Og. Calculate the number of vitamin C molecules present in a 0.250…
A: 2.) We are having 0.1 g of caffeine (C8H10N4O2) Molar mass of caffeine = 194.2 g/mol
Q: Classify each of the following as an oxide, acid, base or salt. 1. Pb(CIO2)2 4. NazPO4 2. Ca2O3 5.…
A:
Q: 3. Write down the mechanism for the following reaction and predict which of the two possible…
A: Carbocation is stabilized by 1) hyperconjugation effect 2) +R effect More stable carbocation gives…
Q: 11:34
A: Note : As per our guidelines we are allowed to answer only first question. Gaseous law are group…
Q: You have a freshly prepared 0.1 M solution of glucose in water. Each liter of this solution contains…
A: Given :- Molar concentration of glucose solution = 0.1 M To calculate : Number of glucose…
Q: c. Draw a reaction diagram for the reaction between C27H29OSS and NH4CI. Label the enthalpy,…
A: Given: Reaction of thymol blue with ammonium chloride To find: Energy profile diagram Solution:…
Q: 1. Vitamin C has the formula C,H¸Og. Calculate the number of vitamin C molecules present in a 0.250…
A: The molecular formula of the vitamin C is = C6H8O6 The mass of vitamin C is = 0.250 g The number of…
Q: 3. Using the following reactions answer the questions below. ملة OCH3 Molecular Weight: 170.21 g/mol…
A: The mechanism of given reaction can be given as: This reaction is an example of protection of…
Q: Strong and weak bases differ greatly in their empirical and theoretical definitions. Identify each…
A:
Q: 3. Calculate the amount of energy (in kJ) needed to heat 346 gram of liquid water from 0 °C to 182…
A: amount of energy (in kJ) needed to heat 346 gram of liquid water from 0 °C to 182 °C is given below
Q: For each of the following pairs of alcohols, identify the one that is more acidic and explain your…
A: Those chemical compounds which have the carbon chain and the hydroxyl group is attached to the chain…
Answer1
Step by step
Solved in 2 steps with 1 images