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  • Waiting for answer What is the difference between simple present and present te...

    see below Simple and present tense are sometimes used interchangeably. However, simple present is more specific. It is one of the tenses in the present tense. The other tenses...

  • Waiting for answer What is the ionic bond formation of Beryllium and Oxygen?

    Beryllium oxide. The ionic compound containing beryllium and oxygen is beryllium oxide. The beryllium ion has a charge of ##"2"^+"## and has the symbol ##"Be"^(2+)"##. The oxide ion...

  • Waiting for answer If the index of refraction of water is 1.33, what is the spe...

    speed of light in water ##v=225,407,863.2" "##meter/second Formula for refractive index ##n=c/v## where ##" " "n=" "##refractive index ##" "c=299792458" "##s...

  • Waiting for answer Calculate the density of nitrogen gas, in grams per liter, a...

    ##"1.25 g L"^(-1)## The idea here is that you need to use the equation and the molar mass of nitrogen gas, ##"N"_2##, to find a relationship between the mass of a sample of nitroge...

  • Waiting for answer Is alcohol classified as a Stimulant, Depressant, Hallucinog...

    Alcohol is a depressant. Depressants have effects such as slowing reaction time, poor concentration, and visual disturbances. Because alcohol slows reaction time, it is important th...

  • Waiting for answer What is the empirical formula for nitroglycerin?

    The molecular formula for nitroglycerin is ##"C"_3"H"_5"N"_3"O"_9##. https://en.wikipedia.org/wiki/Nitroglycerin This is also the empirical formula. The empirical formula represents...

  • Waiting for answer How do you graph ##x=4## by plotting points?

    Refer Explanation section ##x=4## It is a curve parallel to Y-axis Take two points ##(4,0)## and ##(4, 4)## Join them with the help of a straight line.

  • Waiting for answer How many autosomes do human cells contain?

    Human body cells (except eggs and sperm) have 23 pairs of chromosomes. Of these, 22 pairs are autosomes and 1 pair are sex chromosomes. This is a male as you can see by the XY. Females have XX as their sex chromosomes. . . Actually images of chromosomes are really jumbled until they can be sorte...

  • Waiting for answer Who discovered planet Mercury?

    No one knows. Mercury, like Venus, Mars, Jupiter and Saturn are visible by eyesight without any optical divices. Once a creature developed intelligence and looked at the sky, those p...

  • Waiting for answer What was Nixon's "Southern strategy"?

    It was a strategy that appealed to both the Southern and Northern audiences, by using discrete language and tactics. The Southern strategy sought to benefit many white voters' resent...

  • Waiting for answer What are coefficients?

    Coefficients are the numbers in front of variables. Example: In the term ##2x##, 2 is the coefficient In ##4x^5##, the coefficient is the number 4 In the case where the term is given as a single letter, for example, ##y##, the coefficient of the unknown is 1. Let's take a more complex term, for...

  • Waiting for answer How does atomic size vary in the periodic table?

    To understand that how do the sizes of atoms vary in ; let’s revise the core concepts: Atomic Radius: It’s the measure of the size of atom from its center to its outer most electronic shells. The Atomic size depends on the following two factors: : The no. of protons in an atom is called as its at...

  • Waiting for answer cobalt (II) sulfate reacts with lead (II) nitrate farming c...

    ##"CoSO"_4+"Pb(NO"_3)_2- "Co(NO"_3)_2+"PbSO"_4## Reactants: 1. Cobalt (II) ##= ## An ion of Cobalt, Co having valency of ##2+ = "Co"^(2+)## and Sulfate ##= "SO"_4^(2-)## ion Combin...

  • Waiting for answer What is the net ionic equation of the reaction of MgSO4 with...

    ##SO_(4(aq))^(2-) + Pb_((aq))^(2+) - PbSO_(4(s))## The balanced equation for this reaction is ##MgSO_(4(aq)) + Pb(NO_3)_(2(aq)) - Mg(NO_3)_2(aq) + PbSO_4(s)## The complete ionic...

  • Waiting for answer How is the earth's rotation different from Venus'?

    rotates in counterclockwise while the Venus rotates in retrograde motion (contrary to other movements of celestial bodies). This is the difference of the rotation of Earth and Venus...

  • Waiting for answer How do you find carrying capacity on a graph?

    To find on a graph, you need to locate the point on the graph where the population line is horizontal. Alternatively, the carrying capacity may be explicitly marked with a dotted horizontal line....

  • Waiting for answer What is the Wilmot Proviso?

    An effort to keep slavery from spreading. From 1846-48, the U.S. was at war with Mexico. This was a war that Democratic President James K. Polk forced on Mexico so the U.S. could def...

  • Waiting for answer What kind of boundary is formed when two lithospheric plates...

    Transform (conservative) boundaries. Transform boundaries do not construct or destruct crust, they simply slide past each other. This creates extreme friction between the plates and...

  • Waiting for answer How do nuclear reactions change the identity of an atom?

    A nuclear reaction is any reaction that results in the change of of an atom. The nucleus of an atom is made out of protons and neutrons. It would make sense then that a nuclear reaction changes the number of protons and or neutrons in an atom. If you change the number of protons an atom has then...

  • Waiting for answer What is a prime number between 70 and 80?

    ##71##, ##73##, and ##79## A is a number that can only be divided by 1 or itself. Otherwise, it is a composite numbers. There are three numbers between ##70## and ##80## that fit...

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