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  • Question #021e1 - Socratic
    36 neutrons One way we have of differentiating between various nuclides of the same element is by writing the name of the element followed by a hyphen and the mass number of the nuclide In your case, you would have zinc-66, a nuclide of zinc that has a mass number equal to 66 Now, an atom's mass number, A, tells you the number of protons, which is given by the atomic number, Z, and neutrons
  • Question #c7924 - Socratic
    Explanation: Given point #-> (x,y)-> (-3,10)# Given gradient #" " (m) =-2# Thus #y=mx+c" "# becomes #" " y=-2x+c# '~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ #color (blue
  • Question #bcbe2 - Socratic
    The molarity of this solution is 0 25 mol L The molar mass of sucrose C_12H_22O_11 is 342 grams: (12 xx 12 + 22 xx 1+11 xx 16)=342 If we divide the given mass (85 5 g) by this molar mass, we get the number of moles of sucrose used: 85 5g (342 (g "mol")) = 0 25 mol Now, to determine the concentration, we divide the number of moles of solute by the final volume of the solution Since the
  • Question #88580 - Socratic
    Explanation: We're asked to find the molarity of the #"NaOH"# solution given some titration values
  • Can someone verify my answer? - Socratic
    Try significant digits You answer is correct But the significant figures of your answer might not Double check the way the numbers are written down in the original question Is 2m written as 2 0m, 20 Hz written as 20 Hz etc If so, they are numbers of two significant figures When you have numbers that have mixed significant numbers Then your answer keeps the least significant figure So
  • Question #8a78e - Socratic
    Lustrous Malleable Ductile Good conductors of heat and electricity These are four primary characteristics of metals, but there are many others as well Metals tend to exhibit luster; that is, they appear to "shine" due to how light interacts with their surfaces Metals tend to exhibit malleability, which means they can be deformed under compressive stress; i e they can be compressed into thin
  • Question #33eb8 - Socratic
    See a solution process below: Let's call the number of weeks we are looking for: w We can then write a formula: $145 + $36w = $433 And we can now solve for w: First, subtract color(red)($145) from each side of the equation to isolate the w term while keeping the equation balanced: $145 - color(red)($145) + $36w = $433 - color(red)($145) 0 + $36w = $288 $36w = $288 Now, divide each side of the
  • Question #68c71 - Socratic
    Explanation: From the section entitled, Area in terms of Cartesian coordinates of vertices I shall use the absolute value of the determinant of 3 points padded with 1s in the third column:
  • Question #06d1b - Socratic
    From the Law for conservation of momentum we have for an incompressible fluid of density rho moving with velocity v the rate of change of momentum in the direction of motion x of fluid - (dp) dx = rho u (du) (dx) Rewriting it as (dp) dx + rho u (du) (dx)=0 For a constant density (incompressible flow) we can take the multiplicant rho u inside the differential It becomes (dp) dx + (d(1 2 rho u





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