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  • Waiting for answer How many p orbitals are there in a neon atom?

    Three. Your tool of choice for this problem will be neon's . Neon, ##"Ne"##, is located in period 2, group 18 of the , and has an equal to ##10##. This means that a neutral neon at...

  • Waiting for answer How many significant figures are there in the measurement 23...

    Six . The first things to look for here are non-zero digits , which as you know are always significant. This measurement has a total of ##5## non-zero digits ##2,3,8,2,3##...

  • Waiting for answer What is the integral of ##e^(7x)##?

    It's ##1/7e^(7x)## What you want to calculate is: ##int e^(7x)dx## We're going to use . Let ##u = 7x## Differentiate (derivative) both parts: ##du = 7dx## ##(du)/7 = dx## Now we can replace everything in the integral: ##int 1/7 e^u du## Bring the constant upfront ##1/7 int e^u du## The integral o...

  • Waiting for answer What does the temporal lobe of the brain do?

    The temporal lobe in the brain is involved in the primary auditory perception, which has to do with hearing.

  • Waiting for answer What is the difference between osmosis and diffusion?

    is the movement of water molecules, but is for any molecule. Osmosis happens across a partially permeable membrane, while diffusion does not need a membrane, it happens directly in the fluid....

  • Waiting for answer The specific heat of iron is 0.11 cal/g.°C. Iron melts at 15...

    You must add 170 cal to melt the iron. The formula for the heat required is ##q = mcΔT## ##ΔT = "1530 °C – 25 °C" = "1505 °C"## Hence ##q= mcΔT = 1.0 color(red)(cancel(color(black)("g"))) × 0.11color(white)(l) "cal"·color(red)(cancel(color(black)("g"^(-1)"°C"^(-1)))) × 1505 color(red)(cancel(c...

  • Waiting for answer On what did the Roosevelt Corollary build?

    The Monroe Doctrine The corollary allowed that the United States should intervene in disputes between European and Latin American countries in order to legitimize European claims, co...

  • Waiting for answer How do you convert 96 kg to g?

    For 96 kg we have 96000 grams There are 1000 grams in 1 kilogram One way to approach this is to use ratio and I am going to present the ration in the format of a fraction. Note that...

  • Waiting for answer What does a blood clot look like on the outside of your skin...

    See explanation. It kind of looks like a vain but it is black, sort of.

  • Waiting for answer Why is BF3 triagonal planar and PF3 triagonal pyramidal?

    Because, boron has 3 , and phosphor has 5 . If we are talking about molecule with 3 chlorine atoms then all of boron valence electrons are included in covalent bond, also 3 phosphor valence electrons are included in covalent bond. We can conclude that phosphor has 2 free electrons (one electron pair...

  • Waiting for answer What is the sum of the infinite geometric series 2+2/3+2/9+2...

    ##3## a geometric series can be defined as: ##a_n = a_1*(r)^(n-1)## where ##a_1## is the first value of the series and ##r## is the common ratio. The common ratio is ##1/3## and th...

  • Waiting for answer How do you convert 1,950,000,000 mm to km?

    ##1,950,000,000mm = 1,950Km## When you convert a value to a bigger unit, the number gets smaller. (There are fewer of them.) This is done by dividing When you convert a value to a s...

  • Waiting for answer What do directional selection and disruptive selection have...

    They both move away from the central "average" phenotype. Directional selection is described as the selection for a particular extreme phenotype in the population as opposed to the o...

  • Waiting for answer How do you calculate the percent yield of copper?

    You divide the actual yield by the theoretical yield and multiply by 100. EXAMPLE What is the if 0.650 g of copper are formed when excess aluminum reacts with a 2.00 g of copper(II) chloride dihydrate according to the equation Step 1. Write the balanced chemical equation 3CuCl₂·2H₂O + 2Al → 3...

  • Waiting for answer What causes the Northern Lights on earth?

    Excited electrons inside atmospheric particles lose some of there energy as they calm down again; this energy is released in the form of the Northern Lights that we see. kicks out h...

  • Waiting for answer When did the Silurian Period begin?

    443 million years ago The Silurian Period was an era in history where underwater life thrived. This era lasted until 416 million years ago.

  • Waiting for answer What are the three types of heat transfer?

    radiation, conduction and convection radiation, conduction and convection Radiation is the transfer of heat through a vacuum Conduction is the transfer of heat through solids while C...

  • Waiting for answer Translate this equation-hydrogen sulphide gas burns in air t...

    ##2H_2S_((g)) + 3O_(2(g)) - 2SO_(2(g)) + 2H_2O_((g))## The unbalanced combustion reaction of hydrogen sulfide, ##H_2S##, looks like this ##H_2S_((g)) + O_(2(g)) - SO_(2(g)) + H_2...

  • Waiting for answer What are photons?

    photon is just a quantum of light. it carries proportional to the frequency of the light or other radiation. it has 0 restmass

  • Waiting for answer What is spongy mesophyll and palisade mesophyll?

    Spongy mesophyll and palisade mesophyll are types of cells involved in the the processes leading up to as well as photosynthesis itself and are located in the leaves of vascular plants....

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