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  • Waiting for answer What is the IUPAC name for the compound ##"FeS"##?

    Iron(II) sulfide. The first thing to recognize here is that you're dealing with an ionic compound made up of iron, ##"Fe"##, a metal, and sulfur, ##"S"##, a nonmetal. Right from...

  • Waiting for answer What is contour farming and how does this help control soil...

    Contour farming is the practice of plowing the land following the topography of the land surface. The practice is used in hilly or even mountainous terrain. By plowing following the topography, the land is much more resistant to erosion by creating barriers to the free flow of water down the slop...

  • Waiting for answer How do atmospheric pressure and elevation affect boiling poi...

    As elevation increases, and boiling point decrease. Boiling point is the point at which vapour pressure equals atmospheric pressure. In a liquid, some particles always have e...

  • Waiting for answer How long can endospores remain viable?

    Endospores are special dormant structure which develop withing the vegitative cells of gram positive and have extraordinarily resistant to environment stresses and they can remain viable for thousands of year. Infact some endospores have retained their viability for around 100,000 years

  • Waiting for answer A trapezoid has an area of 144 square meters and an altitude...

    ##x + g(x) + 72## ##b/B = 4/5## ##A = (B + b)/2 cdot h## ##144 = (B + 4/5 B)/2 cdot 4## ##72 = B + 4/5 B = 9/5 B Rightarrow B = 5/9 cdot 72 = 40## ##b = 4/5 cdot 40 = 32## ##B -...

  • Waiting for answer Why is the distance between the Sun and Earth important in A...

    The average distance between Sun and Earth is used as unit to measure distances in the solar system. This distance is referred to as an Astronomical Unit (AU) and one AU is 149,597,8...

  • Waiting for answer How do extraneous solutions arise from radical equations?

    In general, arise when we perform non-invertible operations on both sides of an equation. (That is, they sometimes arise, but not always.) Squaring (or raising to any other even power) is a non-invertible operation. Solving equations involving square roots involves squaring both sides of an equat...

  • Waiting for answer What are the spectator ions in the reaction between aqueous...

    Li+ and I- are the spectator ions. Li+ and I- are unchanged, whereas H+ and OH- combine.

  • Waiting for answer How do you locate the center of a dilation?

    This question assumes a task of finding a center of dilation by something that is given. See below the details about what should be given and how it can be used. If a dilation (or s...

  • Waiting for answer What is parallax error in chemistry?

    Parallax error is an experimenter's error when he/she reads the volume of an unknown liquid incorrectly. Non-viscous and clear liquid volume reading uses the lower meniscus to descri...

  • Waiting for answer Why might a galvanic cell go dead?

    The anode is fully oxidized, or the cathode solution is depleted. A galvanic cell functions by separating a redox reaction, where one metal is oxidized (loses electrons) and another is reduced (gains electrons). Here's an example reaction: ##Zn(s) + Cu^(2+)(aq) - Zn^(2+)(aq) + Cu(s)## In this r...

  • Waiting for answer How can you predict a single replacement reaction?

    A single replacement reaction occurs when an element reacts with a compound to produce a new element and a new compound. A single replacement reaction occurs when an element reacts w...

  • Waiting for answer With the assumption that the ammonium ion is formed from the...

    The formation of the ammonium ion is an example of coordinate . To get a better understanding of how the ammonium ion, ##"NH"_4^(+)##, is formed, start with the of ammonia. The mo...

  • Waiting for answer Why honey is more viscous than water??

    Honey is more viscous than water because of intermolecular forces and entanglements. Honey is a mixture of glucose, fructose, water and some other ingredients. Take a look at the str...

  • Waiting for answer What is the ground-state electron configuration for carbon?

    1s^2 2s^2 2p^2 In carbons ground state there are 6 electrons which occupy the the first three sublevels 1s 2s and 2p accordingly. The s sublevel can hold two electrons in its single...

  • Waiting for answer What event led to the Neolithic Revolution?

    Three factors of equal importance and nearly simultaneous in the archaeological/anthropological sense (that is they were developed over a few centuries in various parts of the world)....

  • Waiting for answer How far away is Jupiter from Saturn?

    Unfortunately the answer is "it depends." Because both Jupiter and Saturn are constantly moving around their distance varies between 4.3 AU and 14.7 AU (1 AU = the distance between and the sun)....

  • Waiting for answer What is an adverb of affirmation and negation? Please includ...

    see below An adverb of affirmation is an adverb that is used in a sentence to affirm it as true. An adverb of affirmation is also used to answer a Yes-No question raised by others....

  • Waiting for answer How much does a 78.0 kg student weigh on earth (g = 9.81##m/...

    Weight = mass × g Weight on earth = 78.0 × 9.81 = 765.18 Weight on moon = 78.0 × 1.60 = 124.80

  • Waiting for answer How do you verify ##(tanx/(1+cosx)) + (sinx/(1-cosx))=cotx +...

    TL;WR - Just find the LCD of the two fractions on the left side, and proceed to simplify. What I like to do when I have two dissimilar fractions (ones with different denominators) is...

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