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Question 24Which one of the following would NOT be possible as an electron configuration?
Question 24 options:
[Ar] 4s2 3d3
[Ne] 3s2 3p1
[Kr] 5s1 4d5
[Xe] 5s2 4d10 5p4
[Ar] 4s2 3d10 4p5
Question 25 A student runs the reaction below starting with 23 grams of ammonia (NH3). How many grams of water should form?
4 NH3 + 5 O2 → 4 NO + 6 H2O
NH3 molar mass = 17.04 g/mol. H2O molar mass = 18.02 g/mol
Question 26 What is the frequency of light with a wavelength of 6.01 x 10 –15 m? (c = 3.00 x 108m/s)
Relation between frequency () and walength () is given by
Where c is the velocity of light
Electronic configuration of Xe (Z=54) is
Already 5s24d105p4 is a part of Xenon configuration. Hence it is wrong. Option 4 is wrong
Question 24Which one of the following would NOT be possible as an electron configuration? Question 24...
What is the correct electron configuration for Nb? Question 13 options: [Kr] 5s2 4d3 [Xe] 4d5 [Xe] 5s2 4d3 [Kr] 4s2 4d3 [Kr] 5s5
correct sig fig number please! Question 49 (1 point) A student runs the reaction below starting with 53 grams of ammonia (NH3). How many grams of water should form? 4 NH3 + 5 O2 - 4 NO + 6 H20 NH3 molar mass = 17.04 g/mol H20 molar mass = 18.02 g/mol Report your answer with the correct number of significant figures. Your Answer: I Answer units Question 50 (1 point) When 6.23 grams of an unknown metal is heated...
Electron Configuration PRACTICE: This question is worth ZERO POINTS. (Use this question to make sure that you understand the proper format for entering electron configurations) Enter your answer with subshells in increasing energy order, without superscripts and with spaces between subshells and after the closing square bracket. Example: vanadium (V) Electron configuration: 1s 2s 2p°3s 3p°4s 3d* Abbreviated Configuration: [Ar]4s 3d Entered the configuration as: [Ar] 4s2 3d3 Practice (IF YOUR ANSWER IS INCORRECT,_place your mouse pointer over the answer...
QUESTION 1 Which of the following chemical species exhibits both ionic and covalent bonding? B205 0 0 u B. 02- C2H5NO2 OP. 504² E. NH4C2H302 QUESTION 2 Match the electron configurations to the appropriate transition metal species. Some choices may be selected more than once. - Cu *[Kr]4d10552 RXej4f145d10 - Cult U - Ni2+ [Ar]4513010 [Kr]4d10 - Zn2+ E. [Ar]3d8 - . . Agt cd cd2+ * [Ar]3d10 - Aut QUESTION 3 Which of the following chemical species has non-polar...
2a 2. Calculate the grams of the following based on the balanced reactions in Question 1. a. grams of nitrogen monoxide from 2.0 g of nitrogen gas in Question la. Molar Mass of N, = — gN, 1 mol N 1 mol N, g N, gN mol N, mol NO mol N mol NO g NO mol NO Chem 110 - Chapter 5 Assignment 1. Balance the following reactions. a. N2(g) + O2(g) → NO(g) b. NO,(8) ► N,04() c....
Question 1 According to the following reaction, what mass of silver nitrate would be required to react with 0.500 grams of potassium chloride? AgNO3 (aq) + KCl (aq) --> AgCl (s) + KNO3 (aq) options 2.68 g 0.500 g 85.0 g 170 g 1.14 g Question 2 Consider the reaction: Na2CO3 (aq)+ 2 HCl (aq) --> 2 NaCl (aq) + CO2 (g) + H2O (l) If 43.41 g of sodium carbonate react completely, how many grams of HCl will be...
Date: Period: Name: You Try... 4. Given the following chemical equation 4P + 50; → 2 PO (a) How many moles of P,0, are formed from 3.4 moles of O,? SHOW the math below (b) How many moles of P are needed to react with 30,1 moles of O,? SHOW the math below. 5. Aluminum reacts with copper(ll) chloride to make aluminum chloride and copper (a) Write the balanced equation (b) Given 6 moles of Cuch, how many moles of...
thank you!! Question 38 (2 points) The limiting reactant in a chemical reaction is one that... a) ...has the smallest coefficient. Ob) ...is consumed completely. Oc)...is in excess. O d) ...has the smallest molar mass. Question 40 (2 points) Which compound has double covalent bonds in its structure? a) BH3 O b) NO₂* OC)CCIA d) AsF3 Question 41 (2 points) How many grams of urea ((NH2)2CO) can be produced by the reaction of 50.0 g of ammonia (NH3) and 70.0...
Not yet answered Graded out of 1.00 Flag question Question text In the process of photosynthesis, water and carbon dioxide are produced. Select one: True False Question 2 Not yet answered Graded out of 1.00 Flag question Question text In the carbon cycle, combustion produces atmospheric oxygen. Select one: True False Question 3 Not yet answered Graded out of 1.00 Flag question Question text In a balanced chemical equation, the number of each type of atom in the reactants must...
1.5 pts Question 24 Which of the following compounds would have the strongest intermolecular attractive forces ? CH3-NH-CH2-CH3 CH3-CH2-CH2-OH CH3-CH2-O-CH3 CH3-CH2-CO2H CO2 3.5 pts D Question 25 A 0.258-g sample of a pure triprotic acid, H3A, (where A is the generic anion of the acid). was dissolved in water and titrated with 0.150 M barium hydroxide solution. The titration required 13.9 mL of the base to reach the equivalence point. What is the molar mass of the acid? o 227...