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  • Waiting for answer What is the formula for potassium sulfide?

    ##K_2S## of ##K_2S## hydrolyze in water to give some ##HO^-## and ##HS^-## ions.

  • Waiting for answer What are utilities?

    Utility is the amount of satisfactions(it could also be negative). Say you are very hungry and then your friend gives you a biscuit, because you are hungry we can say the number of u...

  • Waiting for answer What is the balanced molecular equation for the neutralizati...

    ##Ba(OH)_2(s) + 2HCl(aq) rarr BaCl_2(aq) + 2H_2O(l)## Barium hydroxide is reasonably insoluble. Added hydrochloric acid will neutralize the hydroxide function, and bring the metal u...

  • Waiting for answer What is the formula for magnesium nitride?

    ##Mg_3N_2## Of course this is the ionic salt of ##Mg^(2+)## and ##N^(3-)##. Hydrolysis gives ammonia: ##Mg_3N_2(s) + 6H_2O(l) rarr 3Mg(OH)_2(aq) + 2NH_3(aq)##

  • Waiting for answer What is a vesicle?

    http://www.biology-online.org/dictionary/Vesicle defines a vesicle as follows: A small cyst or sack containing gas or fluid. In cell biology it defines a bubble-like membranous structures that stores and transports cellular products and digests metabolic wastes within the cell. In physiology, i...

  • Waiting for answer What is a metaphor, simile, hyperbole, irony, alliteration,...

    ** This answer is long A metaphor is a thing that is symbolic of something else, especially abstract. *Usually creates a comparison without using like or as Example: - The Engl...

  • Waiting for answer How do you find least common multiple of 12 and 2?

    LCM = 12 ##• " Identify the largest value. In this case it is 12. "## ##• ## If the smaller value divides exactly into the larger value then the larger value is the LCM ##12÷2=6 "...

  • Waiting for answer Zero is the freezing temperature of water on which temperatu...

    The Celsius or Centigrade scale. The Celsius scale has 0 for the freezing point and 100 for the boiling point of water. Fahrenheit used different 0 and 100 points, so that 0 C =32...

  • Waiting for answer Would a density independent limiting factor have more of an...

    By definition of density independent, I would say it has an equal affect on large and small ecosystems. I interpret density independent limiting factors to be factors that affects an...

  • Waiting for answer What is the area of an equilateral triangle of side length 1...

    ##A=(s^2sqrt(3))/4## ##A=(256sqrt(3))/4## ##A=64sqrt(3)/4##

  • Waiting for answer How do vectors subtract graphically?

    Subtracting vectors works the same way as adding vectors, but you end up adding a negative vector! Say I want to subtract vectors A and B. I add to vector A (using head to tail method) to the opposite of vector B; keeping magnitude the same (length) but just turning the vector in the opposite dire...

  • Waiting for answer What type of ecosystems do lions live in?

    Typically lions live in the grasslands, though they can survive in a variety of habitats. Most African lions live in the south Saharian area. Lions like to live where there are othe...

  • Waiting for answer How does the octet rule relate to alkali metals?

    Alkali metals have one valence electron so they will want to donate an electron in order to satisfy their octet. The states that when a metal and nonmetal ion wants to form a bond t...

  • Waiting for answer How was Alexander Hamilton killed?

    Alexander Hamilton was killed in a duel with Aaron Burr. Alexander Hamilton was killed by Aaron Burr because Hamilton endorsed Thomas Jefferson instead of him in the Election of 1800...

  • Waiting for answer Using Huygen's principle, explain why diffraction of light c...

    According to Huygen's principle ALL light propagation can be regarded as involving . Simply put, the amplitude at some point further forward is the result of interference between waves coming from all points on a previous wave front. If there are no obstacles the front just continues undisturbed,...

  • Waiting for answer What SI units are used to measure density?

    SI units are used to measure density is ##"kg/m"""^3## . = mass / volume Unit of density = unit of mass / unit of volume Unit of density = kg / ##m^3##

  • Waiting for answer What is mechanical advantage and mechanical efficiency??

    For a simple machine mechanical advantage (MA) = ##"load"/"effort"## Efficiency =##"Mechanical advantage"/"Velocity ratio"xx100## Mechanical advantage = ##"Load"/"Effort"## So if w...

  • Waiting for answer Explain why the square root of 89 must be between 9 and 10?

    ##9 sqrt(89) 10## We have ##81 = 9^2 89 10^2 = 100## and ##sqrt(x)## is monotonic for ## 0 x infty ## which means that if ##0 x_1 x_2- sqrt(x_1) sqrt(x_2)## then ##...

  • Waiting for answer What are neurotransmitters?

    they are endogenous chemicals that enable neurotransmission. They are chemicals that enable communication from the brain throughout the body. they are released from one neuron to ano...

  • Waiting for answer What does a cell membrane do for animal cells, and what do t...

    Semi Permeable membrane is semi permeable , means it will allow only few substances to enter or leave the cell . It contains various Receptors for various enzymes also In , since t...

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