Based on the given data, why is Qlost + Qgained is not equal to zero? what could be the possible sources of error? Please explain briefly

Q: Combustion reactions are a type of reaction because they feel O . This means they will

A: The combustion reaction is a type of exothermic reaction because they feel warm or hot. This means…

Q: Why is it necessary for users to understand the principles behind statistical calculations in…

A: Given:-   Why is it necessary for user to understand the principles behind statistical calculations…

Q: m Calculate the kinetic energy of a 34. g bullet moving at a speed of 458. Round your answer to 2…

A: Given, mass of a bullet = 34. g = 0.034 kg Speed, v = 458. m.s-1

Q: Consider the following data. For the acid:  HA- Ka = 7.46⋅10−87.46⋅10-8 Calculate the Kb for A2-.…

A: Kb is the base dissociation constant. The base dissociation constant is a measure of how completely…

Q: A cylinder measuring 2.9 cm wide and 3.5 cm high is filled with gas and the piston pushed down with…

A: GIVEN: Width of cylinder= 2.9 cm Height of cylinder=3.5 cm The pressure of the gas = 879. kPa To…

Q: 10.00 g of Compound X with molecular formula C4H₁o are burned in a constant-pressure calorimeter…

A: Mass of the compound = 10 gMass of the water = 25 kgTemperature rise of water = 4.357 0C

Q: 8. For Ausys to always be negative, what must be TRUE? A. q=w B. q> -w C. W> -q D -w>q

A: Answer: This question is based on first law of thermodynamics which gives us relation between ∆U, q…

Q: Using the trendline from your plot, calculate the absorption of a solution with a concentration of…

A: Equation of the trendline is y = 16.88x - 0.0054 where y is absorbance and x is concentration.

Q: Give an argument for why the pre-exponential factor is temperature dependent.

A: Pre-exponential factor A can be defined easily from collision theory. Beside this it is also used to…

Q: 2.37. True or false: Any process for which AH is negative is exothermic. Explain your answer.

A: Enthalpy change (∆H) of a reaction is given by the formula  ∆H = [enthalpies of products] -…

Q: 4 HNO3(aq) + 5 N₂H₂(1) → 7 N₂(g) + 12 H₂O(g) AH = =- 74. Which statement is correct for the reaction…

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Q: Is “what is the typical distance a moped can be driven on a single tank of gas?” A statistical…

A: ANSWER:-                      We know that a question whose response give a dataset that can be…

Q: Calculate the kinetic energy of a 109. mg raindrop moving at a speed of 7.9 Round your answer to 2…

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Q: What is uncertainty and an uncertain/estimated number in Chemistry, how does it work? What is the…

A: Uncertainty is the estimation of quantity through which measurement differs from the true value.

Q: Copper vessels kept for a long period of time get coated with a greenish substance. This greenish…

A: Given,  Copper vessel kept for a long period of time get coated a greenish substance. This greenish…

Q: Given the returns and probabilities for the three possible states listed below, calculate the…

A: The expected value of stock A is 9.05% which is equivalent to E(A) = 0.0905 and the expected value…

Q: A manufacturer guarantees a product for 1 year. The lifespan of the product after it is sold is…

A: This question can be thought as a quantum probability question.

Q: Inksp 6 5 4 2 1 0 0.0027 0.0028 0.0029 Inksp vs 1/T 0.003 1/T y = -6063.2x+22.592 R² = 0.99 10.…

A: In the given question we have to calculate Ho and So from the given graph.The given graph is a plot…

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A: The functions of mind and body would be affected by drugs. Several people take drugs for various…

Q: Aluminum has an atomic radius of 0.1431 nm and weighs 26.9815 g/mol. Compute for its density

A: Given : Atomic weight of aluminium = 26.9815 g/mol. And radius of aluminium atom = 0.1431 nm =…

Q: When there is going to be a frost in Florida, farmers will spray their crops with water before the…

A: When frost threatens crops in Florida, farmers employ a strategy of spraying water on their crops as…

Q: When the expression 412.272 + 0.0031 – 2.00707 + 0.00024 + 12.80 is evaluated, the result should be…

A: Addition and substraction of significant figures :- Answer of addition or substraction of…

Q: References Use the References to access important values if needed for this question. When 58.43 is…

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Q: Determine the number of expected peaks in the infrared spectrum of PCI5 (point group Dan). Explain…

A: Point groups are the groups of symmetry elements. Symmetry elements are shown below: Identity(E) :…

Q: Given ab = Q/r and R = 2T, solve for T in terms of A, B, and Q

A: Introduction: In the given question, two equation are given and we have to find the value of T in…

Q: An object weighs 75.7 kg. What is the weight of this object expressed in pounds? [1 pound = 454…

A: According to the question, The weight of the object = 75.7 Kg Given, 1 pound = 454 grams Find - The…

Q: c) Compare the values of KA' and KB': Does the free protein bind ligand A or ligand B more tightly?…

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Q: e-4.0 Unit 3 Thermochemistry Assignment SCH4U View Insert Format Tools Add-ons Help P 100% Y Normal…

A: According to the guidelines of Bartleby, we are supposed to answer only the first 3 sub-parts of the…

Q: Given the following data C,H4 (9) + 302(9) → 2 CO2(g) + 2H,O(1) 2C,H6 (g) +702(9) → 4 CO2(g) +…

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Q: How many grams of iron metal can be formed by the reaction of 2.14 gAI metal with excess Fe,O3,…

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Q: Can you rewrite question 6, again this is practice so can you rewrite the steps again! Thank you. (I…

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Q: An electron moves in a two-dimensional rectangular box with the dimensions, Lx= 5.00 Å and Ly =3.00…

A: The energy absorbed photon in 3.641*10^-6 cm-1

Q: Which statement is always true if AEsys is always negative? Select an answer and submit. For…

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Q: From fundamental property relations, proof the following equation is valid. as aP T.

A: We have to prove the given expression using the fundamental equation.

Q: Twenty-percent (20%) of Americans have no health insurance. Randomly sample n = 15 Americans. Let X…

A: No health insurance probability = 20%    Random sample strength, n     = 15

Q: 111.1Ms = ? ks show work, report sig figs and units

A: ms means milliseconds and ks means kiloseconds . 1 ms = 0.000001 ks Significant figure is number of…

Q: Mn2+ + BiO3 → MnO4 + Bist Insert the coefficients for the balanced reaction. Use 1 if there is only…

A: Mn+2+BiO3-→         MnO4-+Bi+3Balancing it using half reaction menthod:-Now,

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A: According to the question,  f(x) = asinπ12t+c+d Here, a = (the High temp-low temp)/2           d =…

Q: Suppose two different states (with no degeneracy so that g1=g2=1) have energies E2=2x10-22 J and…

A: Relative population is given by following equation.

Q: Part A AHôm = -91 kJ, ASm = –153 J/K, T = 300 K rxn Express your answer as an integer. ? AG n =…

A: we need to calculate the change in free energy (delta Grxn)

Q: Normal text Times New. - 12 BIUA + E- 1E = E- E - E E X 2 3 I c. Water from the sodium hydroxide…

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Q: Ep (kJ) -450- -500- -550 -600- -650. Reactants +90 kJ c. - 80 kJ d. - 170 kJ Reaction coordinate 60.…

A: The energy possessed by a molecule dueto its configuration is known as potential energy.

Q: 9. Draw the Lewis dot structure of the following species. a CS: b. CH;C1 c. NO; d. SO: 10 D ompo m

A:

Q: Give the designation for the following quantum number , n=3, l=1 Choose... How many electrons are in…

A: Thankyou for submitting an excellent question but according to our guidelines only first 3 sub-parts…

Q: The General Sherman tree, located in Sequoia National Park, is believed to be the most massive of…

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Q: Why does the x go from: -0.9968x = -0.0025 To: x= 0.0025x/0.9968 And not: x= 0.9968/0.0025…

A: Given the calculation as: -0.9968 x = -0.0025 x = 0.0025 ÷ 0.9968 = 0.0025