• Chemistry Equation Question?

    Barium can be prepared from its oxide and aluminum. Write an equation for this process.
    Barium can be prepared from its oxide and aluminum. Write an equation for this process.
    1 answer · Chemistry · 1 year ago
  • Chemistry Question?

    Explain why calcium hydroxide is written as Ca(OH)2 rather than H2CaO2 and serves as a base rather than an acid.
    Explain why calcium hydroxide is written as Ca(OH)2 rather than H2CaO2 and serves as a base rather than an acid.
    4 answers · Chemistry · 1 year ago
  • Suggest why sodium hydroxide is much more water soluble than sodium chloride.?

    Suggest why sodium hydroxide is much more water soluble than sodium chloride.
    Suggest why sodium hydroxide is much more water soluble than sodium chloride.
    2 answers · Chemistry · 1 year ago
  • Most stable alkene of each of the following pairs?

    Predict the more stable alkene of each of the follwing pairs: 1) 1-hexene or trans-3-hexene 2) trans-3-hexene or cis-3-hexene 3) 2-methyl-2-hexene or 2,3- dimethyl-2-pentene
    Predict the more stable alkene of each of the follwing pairs: 1) 1-hexene or trans-3-hexene 2) trans-3-hexene or cis-3-hexene 3) 2-methyl-2-hexene or 2,3- dimethyl-2-pentene
    1 answer · Chemistry · 2 years ago
  • Which of the following is a BAD leaving group?

    Which of the following is a BAD leaving group? A. H2O B. I- C. Br- D. Cl- E. -OH
    Which of the following is a BAD leaving group? A. H2O B. I- C. Br- D. Cl- E. -OH
    1 answer · Chemistry · 2 years ago
  • Find critical points and classify them as local maxima, local minima, saddle points, or none of these?

    Let f(x,y)=e^(−x^(2))+6y^(3). Find critical points and classify them as local maxima, local minima, saddle points, or none of these.
    Let f(x,y)=e^(−x^(2))+6y^(3). Find critical points and classify them as local maxima, local minima, saddle points, or none of these.
    1 answer · Mathematics · 2 years ago
  • Rank the following groups in order of decreasing priority. (priority 1 should be listed first)?

    Rank the following groups in order of decreasing priority. (priority 1 should be listed first)? I). -CH2OH II). -CH(CH3)2 III). -COOH IV). -OH A. III, I, IV, II B. III, IV, II, I C. IV, II, III, I D. IV, III, I, II
    Rank the following groups in order of decreasing priority. (priority 1 should be listed first)? I). -CH2OH II). -CH(CH3)2 III). -COOH IV). -OH A. III, I, IV, II B. III, IV, II, I C. IV, II, III, I D. IV, III, I, II
    1 answer · Chemistry · 2 years ago
  • How long does it continue to slide along the ramp before it comes to rest?

    A mass of 5 kg is sliding up a ramp (coefficient of friction = 0.6 and theta = 5), initially sliding at 7 m/s. How long does it continue to slide along the ramp before it comes to rest? A) 0.6 s B) 1.0 s C) 2.1 s D) 3.6 s E) 6.7s
    A mass of 5 kg is sliding up a ramp (coefficient of friction = 0.6 and theta = 5), initially sliding at 7 m/s. How long does it continue to slide along the ramp before it comes to rest? A) 0.6 s B) 1.0 s C) 2.1 s D) 3.6 s E) 6.7s
    1 answer · Physics · 2 years ago
  • What was the magnitude of the force of friction during the time the block slowed?

    A block of mass 2 kg is sliding down an inclined that has a coefficient of kinetic friction of 0.4. The block slows from 2 m/s initially to rest. The incline is at 30 degrees. What was the magnitude of the force of friction during the time the block slowed? A) 3.4 kg m/s^2 B) 4.0 kg m/s^2 C) 5.1 kg m/s^2 D) 6.8 kg m/s^2 E) 8.3 kg m/s^2
    A block of mass 2 kg is sliding down an inclined that has a coefficient of kinetic friction of 0.4. The block slows from 2 m/s initially to rest. The incline is at 30 degrees. What was the magnitude of the force of friction during the time the block slowed? A) 3.4 kg m/s^2 B) 4.0 kg m/s^2 C) 5.1 kg m/s^2 D) 6.8 kg m/s^2 E) 8.3 kg m/s^2
    4 answers · Physics · 2 years ago
  • Math question?

    Use Laplace transformation to solve the IVP. y" + 2y' = -4H(t - 2) , y(0) = 0 , y'(0) = 0
    Use Laplace transformation to solve the IVP. y" + 2y' = -4H(t - 2) , y(0) = 0 , y'(0) = 0
    1 answer · Mathematics · 2 years ago
  • Math help?

    Use Laplace transformation to solve the IVP. y" + 2y' = -4H(t - 2) , y(0) = 0 , y'(0) = 0
    Use Laplace transformation to solve the IVP. y" + 2y' = -4H(t - 2) , y(0) = 0 , y'(0) = 0
    1 answer · Mathematics · 2 years ago
  • Laplace Transformation Problem?

    Use formulas in the Laplace Transform table to compute L^(-1) {[(s+1)/s^2] e^(-s)}
    Use formulas in the Laplace Transform table to compute L^(-1) {[(s+1)/s^2] e^(-s)}
    Mathematics · 2 years ago
  • Laplace Transformation Problem?

    Use formulas in the Laplace Transform table to compute L^(-1) {[(s+1)/s^2] e^(-s)}
    Use formulas in the Laplace Transform table to compute L^(-1) {[(s+1)/s^2] e^(-s)}
    1 answer · Mathematics · 2 years ago
  • Solve the IVP?

    Solve the IVP. y''-2y'-3y = 4(cost)delta(t-pi), y(0)=0, y'(0)=0
    Solve the IVP. y''-2y'-3y = 4(cost)delta(t-pi), y(0)=0, y'(0)=0
    2 answers · Mathematics · 2 years ago
  • Math Help?

    Consider the second order IVP y''+3y'+2y=g(t), y(0)=0, y'(0)=0 i) SOLVE y(t) as y(t) = h(t)*g(t) and write down h(t) ii) For g(t) given by g(t) = function 1: 0, interval: 0<=t<3, function 2: 1, interval: 3<=t CALCULATE h(t)*g(t)
    Consider the second order IVP y''+3y'+2y=g(t), y(0)=0, y'(0)=0 i) SOLVE y(t) as y(t) = h(t)*g(t) and write down h(t) ii) For g(t) given by g(t) = function 1: 0, interval: 0<=t<3, function 2: 1, interval: 3<=t CALCULATE h(t)*g(t)
    2 answers · Mathematics · 2 years ago
  • Initial Value Problem Help?

    Consider the second order IVP y''+3y'+2y=g(t), y(0)=0, y'(0)=0 i) SOLVE y(t) as y(t) = h(t)*g(t) and write down h(t) ii) For g(t) given by g(t) = function 1: 0, interval: 0<=t<3, function 2: 1, interval: 3<=t CALCULATE h(t)*g(t)
    Consider the second order IVP y''+3y'+2y=g(t), y(0)=0, y'(0)=0 i) SOLVE y(t) as y(t) = h(t)*g(t) and write down h(t) ii) For g(t) given by g(t) = function 1: 0, interval: 0<=t<3, function 2: 1, interval: 3<=t CALCULATE h(t)*g(t)
    2 answers · Mathematics · 2 years ago
  • Math help?

    Consider the second order IVP y''+3y'+2y=g(t), y(0)=0, y'(0)=0 i) solve y(t) as y(t) = h(t)*g(t) and write down h(t) ii) For g(t) given by g(t) = function 1: 0, interval: 0<=t<3, function 2: 1, interval: 3<=t calculate h(t)*g(t)
    Consider the second order IVP y''+3y'+2y=g(t), y(0)=0, y'(0)=0 i) solve y(t) as y(t) = h(t)*g(t) and write down h(t) ii) For g(t) given by g(t) = function 1: 0, interval: 0<=t<3, function 2: 1, interval: 3<=t calculate h(t)*g(t)
    2 answers · Mathematics · 2 years ago
  • Support cable question?

    A 1 425-N uniform boom at ϕ = 69.0° to the vertical is supported by a cable at an angle θ = 21.0° to the horizontal as shown in the figure below. The boom is pivoted at the bottom, and an object of weight m = 2 400 N hangs from its top. (a) Find the tension in the support cable._____ (b) Find the components of the reaction force exerted by the... show more
    A 1 425-N uniform boom at ϕ = 69.0° to the vertical is supported by a cable at an angle θ = 21.0° to the horizontal as shown in the figure below. The boom is pivoted at the bottom, and an object of weight m = 2 400 N hangs from its top. (a) Find the tension in the support cable._____ (b) Find the components of the reaction force exerted by the floor on the boom. horizontal component magnitude ____ kN vertical component magnitude _____ kN
    2 answers · Physics · 2 years ago
  • At what speed was the rocket launched?

    A rocket fired from earth's surface rises 900 km. At what speed was it launched? Provide answer in m/s.
    A rocket fired from earth's surface rises 900 km. At what speed was it launched? Provide answer in m/s.
    3 answers · Physics · 2 years ago
  • Physics help please?

    A 100 kg sofa 4 m long is carried by James and Sarah. James has the end, Sarah is holding the sofa 0.5 m from the other end. Some moron places a 50 kg box of books on the sofa on the very end of the sofa Sarah is holding. How much weight is Sarah holding now? a) 300 N b) 500 N c) 700 N d) 900 N e) 1100 N
    A 100 kg sofa 4 m long is carried by James and Sarah. James has the end, Sarah is holding the sofa 0.5 m from the other end. Some moron places a 50 kg box of books on the sofa on the very end of the sofa Sarah is holding. How much weight is Sarah holding now? a) 300 N b) 500 N c) 700 N d) 900 N e) 1100 N
    2 answers · Physics · 2 years ago