please answer with explanation 13) 13) x 2-4 -4 -2 4629-4 -2 y 7 -3 -7-7 4-2 -3 2-4-2 Y t) 2 1 10 x -10 B) A) O 10 C -10 O OC 10- D) C) o o o o
Why is the answer a? Please show all work Silver ion forms a complex ion with thiosulfate ion, Ag(S203)2, with Kr 2.8 x 1013. How much AgBr (Ksp -5.4 x 10-13) will dissolve in 1.00 L of 0.200 M Na2S,0, solution? (A) 0.089 mol (C) 0.16 mol (B) 0.10 mol (D) 0.78 mol
Please show all step and formulas. Label triangle. 3. CosA-__. 2. Sin 1. Sin A- 13 12 4. 4. 3. CosA-__. 2. Sin 1. Sin A- 13 12 4. 4.
Each) log 4 (x - 3) = -1 4=x-3 13 13 +3 3= 13 Answer: b.) 6 In 6x = 30 %3D in6X %3D Answer: c.) +10970x +10g|0x log 10 (x + 30) = 3 – log 10 × check 10910 (20+30)= 3:-, 10910 20 10910130)=-10gio (20)13 10giol 50) +10910(20) = 13 to 10910( 50.20) = 103 10910 (Xt30) †109 10X = 3 (V130)(X) = 3 109 %3D T000 1000 (X7 30)X) = 10 X- 20 Answer:
What is the hydrogen ion, H1+, concentration in a 0.00046 M HBr solution? Answer to 4 decimal places and be sure to include your units. What is the hydroxide, OH1-, concentration in a 0.00046 M HBr solution? Put your answer in scientific notation (i.e 3.0 x 10-3 put 3.0E-3) and include your units. What is the pH of a 0.00046 M HBr solution? Answer to 2 decimal places. What is the hydroxide ion, OH1-, concentration in a 0.0013 M Ca(OH)2...
Please answer in detail 3. One Lewis structure for the azide ion, N3, is shown below. O:NE N=N: Draw two other important resonance structures for the azide ion. Be sure to include any non- zero formal charges.
2-4. not partial please Problem 3 An unknown substance shows a molècular ion peak at m/z= 170 with a relative intensity of 100. The M+ 1 peak has an intensity of 13.2, and the M+2 peak has an intensity of 1.00. What is the molecular formula of the unknown? Can you propose a structure? Problem 4: An unknown hydrocarbon has a molecular ion peak at m/z = 84, with a relative intensity of 31.3. The M+ 1 peak has a...
b) 2 13- How many electron domains are around N in No, ion? a) 3 c) 4 d) 1 14- Which of the following Lewis structures for NO* ion is acceptable? a) [:N-ö:]+ b) [:N-5:]+ c) [:N=0:1+ d) [:N=0:1+ I 15- What of the following shows the correct Lewis symbol of Tellurium, Te? a) Te. b):ře c) Te. d) te. 16- At 870 mm Hg, a sample of gas takes up 4.25L at 25°C. If the pressure in the gas...
all answer please ion 4: For the following series-parallel circuit: 1) The total impedance in rectangular form (10pts): 2) The current Iez through the resistor R2 in time domain (10pts): C1 R1 We :: : 630.7 Ohs R3 820 R2 ..3L1 2V 30 H oDeg . 82mH
1.Determine the bond order in a molecule or ion with 10 valence electrons. Express your answer using two significant figures. 2.Determine the bond order in a molecule or ion with 13 valence electrons. Express your answer using two significant figures. 3.Determine the bond order in a molecule or ion with 14 valence electrons. Express your answer using two significant figures. 4.