The region near the centre of the Milky Way is BEST studied in what regime?

Q: Possible carboxylic acids Name 2-chlorobenzoic acid (pka = 2.92)¹ 4-methylbenzoic acid (p-toluic…

A: As per Bartleby guidelines, i am allowed to answer one question at a time.  Sorry for inconvenience.…

Q: А. this question. Sketch one 'face' of a unit cell for SC, FCC and BCC. A total of 3 sketches are…

A: The SC unit cell is shown below. The FCC unit cell is shown below. The BCC unit cell is shown…

Q: 11. What is the most likely electron configuration for a sodium ion in its ground state? a. 1S2 2S²…

A: electron configuration is the distribution of electrons of an atom or molecule.

Q: 3. How many moles are there in 2.22 x 10ª g of (NH4)2SO4?

A:

Q: ts) The heat of fusion of water is 6.01 kJ/mol. The heat capacity of liquid water is 75.3 J/mol · K.…

A:

Q: 1) Molten metal chloride (MC13) subjected to a current of 6.50 A for 0.388 hours deposits 1.41g of…

A: It is given that current = and time for which it flows Charge,

Q: 1. For the following reaction 5 CO(g) + 1205(s) → 12(g) + 5 CO2(g) AHO=-1175 kJ for each change…

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

Q: Vulcanization imparts stretchiness and stability to polymers and uses sulfur. SHOW ALL WORK: I. Give…

A: Lewis dot structures are diagrams that show the bonding between atoms of a molecule as well as the…

Q: A saturated solution of a nonvolatile electrolyte AB exhibits an osmotic pressure of 74.4 torr at 25…

A: The osmotic pressure is given by  Osmotic pressure in atm = i X CRT where i = Van't Hoff factor =…

Q: The dissolution reactions of gold (Au) in 1M HNO3 and 1M aqua regia (1M HNO3 + 1M HCI) are given…

A: When the direction of reaction gets reversed then the emf value also changes its sign.

Q: Question 1 | 1 Consider the equilibrium at 392° C: 2A +B2 C. The partial pressures are found to be:…

A: P(A)=6.70atm P(B)=10.1atm P(C)=3.60atm Kp=?

Q: MISSED THIS? Read Section 17.9 (Pages 765-769). Consider a 0.14 M solution of a weak polyprotic acid…

A: Given,  Molarity of H2A = 0.14 M Ka1 = 1.0 x 10–4 Ka2 = 1.0 x 10–6

Q: 10. Balance the following equations: Ca(NO3)2(aq) + Na,SO4(a9) → CASO466) _NaNO3 а. b. Ni (s) + CaO…

A: Interpretation - To balance given reactions

Q: 14. Copper has two isotopes, Cu-63 and Cu-65. The average atomic mass of copper is 64.928 g/mol.…

A: Given, Mass of Cu = 63 Mass of other isotope of Cu = 65 Avg. mass = 64.928 g/mol

Q: Part A Find A,S° for the reaction between nitrogen gas and hydrogen gas to form ammonia. Standard…

A: Entropy is measure of randomness in the system. This term come under branch of thermodynamics.

Q: Part C 13.0 moles of gas are in a 8.00 L tank at 23.6°C. Calculate the difference in pressure…

A: Real gasses have attraction so they have less pressure than ideal gasses

Q: 4. Rhodium has a density of 12.41 g/cm³ and crystallizes with the face-centered cubic unit cell.…

A: Rhodium has a density of 12.41 g/cm3 and crystallizes with the face-centered cubic unit cell.…

Q: g. If the pH of stomach acid is 2.0, calculate the H* ion concentration.

A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: Which of the following reactions is/are endothermic? Choose ALL that apply. a. C(s) + O2(g) → CO2(g)…

A: Identify the reaction is exothermic or endothermic ----

Q: 1. The temperature of a 98.7 g piece of metal increases from 17.0 °C to 31.0 °C when the metal…

A: Note: Since you have posted a question with multiple independent parts, we will solve first part for…

Q: ▾ Part A Balance this equation, and then enter the coefficients, in order, below. CH4 (g) + Br₂(g) =…

A:

Q: Provide products for the following reactions: 1) 3 NaNH, Br 2) CH,Br Br 1) NaNH, 2) `Br Br H;C-C=c¯…

A:

Q: What is the correct Ksp expression for the sparingly soluble salt lead(11) chloride? Ksp = [Pb4+]…

A:

Q: 2. Rank the molecules below from most reactive in Diels-Alder reaction to least reactive. Explain…

A: Diels-alder reaction involves cycloaddition of diene with dienophile to give six member cyclic…

Q: A popcorn tree that is 3.70 m tall grows at a rate of 2.743 x 10 mm/s. How many meters tall would…

A: Given that, the height of the popcorn tree is 3.70 m.The growth rate of the tree is 2.743×10-5…

Q: The following table contains some standard enthalpies of fomation, AH. at 298 K Constants P Part A…

A: Given: Standard enthalpy of formation of C3H8(g) = -103.85 kJ/mol Standard enthalpy of formation of…

Q: The concentration of Species D was measured as a function of time during a chemical reaction. Its…

A:

Q: 4. The reaction between solid sodium and iron (III) oxide is one of a series of reactions that…

A: *  Given data=>     Weight of each reactant is 25 g * Molar masses=>       molar mass of Na =…

Q: 5. Bobby and Jane dissolve 13.4 g of solid potassium iodide in water, then pour the solution into an…

A: In every chemical reaction, reactants react to give the products. The reaction can be expressed as a…

Q: Write the complete electron configuration of copper. Write the noble gas configuration of the copper…

A: 1]Electronic Configuration:The electronic configuration of an atom or ion is a representation of how…

Q: An unknown element X has the following isotopes: 52X (90.00% abundant), ®X (8.00% abundant), 5°X…

A: Average atomic mass :-         Many naturally occurring elements exist in more than one isomer. It…

Q: Question 1 100.0 g of propyne (C3H4) (g) is burnt in a 30.0 L rigid vessel containing pure O2 (g) at…

A:

Q: Determine the mass, in grams, of 0.790 moles of Mn (1 mol of Mn has a mass of 54.94 g).

A: The answer to the following question is given as -

Q: 1) How many moles of carbon dioxide are produced when 2.25 moles of ethane (C2H6) combust?

A: Combustion :-  The burning of a compound in excess of air or oxygen is called combustion .…

Q: Pls help ASAP on both.

A: Question 1 based on addition reaction of br2 Question 2 based find out type of arrow pushing

Q: 3. Which element is oxidized in the chemical reaction shown by the following chemical equation? 3 Cu…

A: If an element's oxidation number increases from left to right side,  means it loses electrons and…

Q: A student used two scales to measure the length of a nail and recorded the following measurements:…

A: In the measurement of a set, accuracy is the closeness of the measurements to a specific value,…

Q: Hi

A: Since you have asked a question with  multiple sub-parts, we will solve  first three sub-parts for…

Q: 8. Which of the following would lead to a higher percent yield than predicted? a) Not allowing the…

A: 8. The correct answer is:a) Not allowing the reaction to go to completionNot allowing the reaction…

Q: What is the mass number for an atom of osmium containing 76 protons and 112 neutrons?

A: The number of protons in the nucleus of the atom is equal to the atomic number (Z). The number of…

Q: An unknown element X has the following isotopes: 5X (72.5% abundant) and 67X. What is the average…

A:

Q: Asprin, Cg Hg O4, is synthesized by the reaction of salicylic acid, C7H6 O3, with acetic anhydride,…

A: NOTE: please note the given equation is incorrect. I have corrected it and written proper equation.…

Q: 8. How many grams of KNO3 are contained in 245 mL of 3.00 M KNO3 solution?

A: The molarity of the KNO3 solution is 3.00 M and the volume of the solution is 245 mL. The mass of…

Q: Methanol is prepared industrially according to the following reaction: CO(g) + 2H2(g) D CH3OH9),…

A: Given data, The enthalpy for the formation of methanol = -21.7kCal

Q: Indicate whether the following solutions are acidic, basic, or neutral. 5x10 6 м нзо" 5х 10° м он 1х…

A: pH < 7 : Acidic solution  pH = 0 : Neutral Solution pH > 7 : Basic Solution      pH = - log…