Category: Uncategorized

  • What type of intermolecular forces are present in nh3?

    Question:- What type of intermolecular forces are present in NH3? Answer: The characteristic intermolecular forces found in NH3 or ammonia are hydrogen bonds. The type of intermolecular force that is present within ammonia molecules is hydrogen bonding, which is considered to be relatively strong. This is due to the high electronegativity of nitrogen in NH3…

  • Is H3P04 classified as a weak or strong acid or base? Explain.

    Is 𝐻3𝑃𝑂4 classified as a weak or strong acid or base? Explain. Answer: Phosphoric acid which has the chemical formula H3PO4 is one of the most acknowledged weak acids. Phosphoric acid can also be categorized as a weak acid since the aqueous solutions which contain it do not release all of the hydrogen ions. While…

  • What is the bending of waves due to a change in speed called?

    What is the bending of waves due to a change in speed called? Answer: Refraction is the bending of waves because of a speed modification. Refraction is the change in direction of the wave as it moves from one medium to another that has different characters. This effect is discussed mostly in terms of light…

  • What is the temperature of the sun in celsius?

    Question:- What is the temperature of the sun in celsius? Answer: The temperature of the sun’s photosphere is between 5,500°C up to 5,778 Kelvin. This is chiefly because the temperature at the sun’s core is extremely high due to nuclear fusion reactions. The temperature of the sun is referred to as the outer layer that…

  • Which best illustrates the result of natural selection?

    Which best illustrates the result of natural selection? A. a bat that is born with a wing that is missing the web B. dark-colored hares living in a snowy area C. mosquitoes that transmit disease to humans D. giraffes having increasingly longer necks over time Answer:- D. giraffes having increasingly longer necks over time. The…

  • What is the substance that does the dissolving in a solution called?

    What is the substance that does the dissolving in a solution called? a. solute b. solvent c. molality Answer: b. solvent The solvent is the component of a solution that does the dissolving and is the one that is generally in the larger quantity. It is that constituent in which the solute of the solution…

  • Which of the following is NOT used to calculate the acid-test ratio?

    Which of the following is NOT used to calculate the acid-test ratio? – inventory – current liabilities – cash – net current receivables Answer: – inventory Thus, the acid-test ratio, sometimes referred to as the quick ratio, evaluates whether the company possesses adequate short-term resources with which to pay short-term creditors while not having to…

  • Who was the first U.S. president pictured on a coin?

    Who was the first U.S. president pictured on a coin? Answer: The first president in U. S history to be featured on a coin was Abraham Lincoln. The President who graced the occasion of being the first American president to grace the U. S. coin was Abraham Lincoln; in 1909 he was placed on the…

  • How does the moon reflect light from the sun?

    How does the moon reflect light from the sun? Answer: The moon illuminates in a way called specular reflection where it bounces the light from the sun. The first phenomenon is the specular reflection where a smooth surface becomes illuminated by a source of light and the reflection of this light is at the angle…

  • How many valence electrons does xenon have?

    How many valence electrons does xenon have? Answer: Xenon has 8 valence electrons. In xenon, there are a total of eight valence electrons as it belongs to the 5th period of the modern periodic table. Xenon is a chemical element with atomic number 54 and the symbol Xe belongs to the noble gas family. It…