A system receives 225 J of heat from the surroundings and delivers 428 J of work. What is the change in the internal energy of the system?

Q: Given the Ksp for Ag2CrO4 is equal to 1.20 x 10-12, calculate the percent error in your…

A: The Ksp  for Ag2CrO4 = 1.20 x10^-12  The average Ksp of Ag2CrO4 is found to be 1.1x10^-12

Q: Explain one effective or ineffective aspect of this graph.

A: A problem based on graph, which is to be accomplished.

Q: unknown acid #: 28 Mass of unknown acid: 0.300g Molarity of NaOH: 0.1002 g Volume of NaOH at…

A: Titration is commonly used to measure and adjust the pH of solution. Acid-base titrations, in…

Q: Mno, (aq) + 8H'(aq) + 5e - Mn*"(aq) + 4 H,O(1) Al(s) - AP"(aq) + 3 e 3A. Assign oxidation numbers to…

A: Oxidation is a process in which the oxidation number increases due to loss of electrons. Reduction…

Q: 39 Give the product. 40 8 41 42 43 44 1.BH3 2. H₂02, NaOH

A: Hydroboration–oxidation reaction: Alkene gives an electrophilic addition reaction with borane.…

Q: AB(g) → A(g) + B(g) Time(s) [AB] (M) 0 50 100 150 200 250 300 350 400 450 500 0.950 0.459 0.302…

A: Rate for the given reaction can be given as:r = k[AB]mWhere m is the order of the reaction.

Q: estimate

A: Given data set: Initial population= No = 790 jackelopes.  Population after 3 years = Nt = 685…

Q: professor Scimemi has accepted you as a Master’s student and you are involved in a project that…

A: You need to make 2.5 mM KCl. The formula for weighing is as follows: Amount of KCl (g) = [Molarity…

Q: The Ksp value for calcium sulfate [CaSO4] is 2.40 X 10 and a professor made 1825 mL of a CaSO4(aa)…

A: The question is based on the concept of Le-chatlier principle.   It States that when a system at…

Q: .1. Refer to the table of standard reduction potentials. Standard Reduction Potentials at 25C…

A: The emf of the cell is the difference between the electrode potential of the cathode and anode.…

Q: A sample of 99Tcm with a half-life of 6 hours is labeled "100 kBq/mL at 09:00." What volume in…

A: Initial Concentration of T99cm  = T99cm 0 = 100 kBq/mLHalf life = t1/2 = 6 hour kt1/2 = ln(2)k * 6…

Q: Station 3: Hydrogen Peroxide (H202) and Yeast 1. Clean your small graduated cylinder by rinsing with…

A: Yeast is used in Bakery and fermentation  process and  called Baker Yeast.

Q: in text form with proper workings and explanation for each and every part and steps with concept and…

A: Given :Mass : 30 mgVolume : 10 mL Solution : Concentration=volumemass​ Concentration=10mL30mg​…

Q: 210 200 270 260 250 What is the probability of finding this particular combination in the…

A: Identify the Alleles: We start with the alleles present at the two genetic loci, D5S818 and PentaD,…

Q: For this question: How SPF blocks UV rays from the Sun Please answers it Try to answer it in a…

A: Imagine you're at a beachside conference, and I'm delivering a presentation on how SPF blocks UV…

Q: After graphing E vs 1 n initial 2 you obtain the following best-fit linear line: y = -2.99x + 4.9.…

A: The RH slope of line is calculated first. The linear equation is as follows,

Q: Draw the major resonance structure for the compound shown; include lone pairs of electrons, formal…

A: Resonance structures are collections of two or more Lewis structures that together represent the…

Q: Identify the selected functional groups. Type the name of the functional groups In the boxes

A:

Q: 3. How many grams and atoms of carbon are present in 500 grams of acetaminophen (C₂H9NO₂), which has…

A: 3) given, mass of acetaminophen (C8H9NO2) = 500 g Mole of C atoms = ___ mol Mass of C atoms = ___ g…

Q: .5. For a reaction in which E = -0.100 V and n =1 mol electrons / mol, calculate AG". State your…

A: Given that for a reaction  E°cell = - 0.100 volt and electrons transfer n = 1 mole electron per mol…

Q: in text form with proper workings and explanation for each and every part and steps with concept and…

A: Approach to solving the question: 3.Add the ΔH values of (1*st), (2nd), (3*d) and (4th) equations to…

Q: You are trying to come up with a drug to inhibit the activity of an enzyme  thought to have a role…

A: In the case of uncompetitive inhibition, Ki for the inhibitor is calculated as shown in equation…

Q: 31; logP = 4.56) on some- eldrin has a half-life of ab ermeability of about 3 x 1 ate during the…

A: The partial pressure as, A= 0.400 atm, B= 0.400 atm.

Q: The absorbance of a cationic iron(II) sample solution was measured in a spectrophotometer, but the…

A: Given that: initial volume =  100.0 μL dilution volume = 2.00 mL + 100.0 μL concentration of…

Q: I know you don't answer graded questions and I am not looking for you to straight up give me the…

A: Mass spectrometry is a technique used to find out the molecular weight of the compounds and thus…

Q: 4-16. Zinc is an essential micronutrient in pet food, but is toxic if present in excess. Do the Zn…

A: Step 1:Given: Cat 1Cat 2Cat 3Cat 4Cat 5Dog 1Dog 2Old Method84.973.517362.715480.1185New Faster…

Q: A certain drug has a half-Iife in the body of 2.5 h. What should the interval between doses be, if…

A: The half-life of the drug in the body is = 2.5 h The interval between doses be, if the concentration…