Normal atmospheric pressure in Mexico City is about 56.5 cm Hg. Convert this to

atmospheres.

Which one is an accurate description of an erosion?

The burning of a sweet potato sample generates 102.5 kJ of heat. This heat was used to raise the temperature of 300 grams of water from its initial temperature of 15.5 degrees Celsius. Considering the specific heat of water is 4.

Chose a biological Community in your region. Describe some of the populations that makes up that community

Which of the following is not equal to 0.536 kilometers? 53.6 hectometers (hm) 536 meters (m) 536.000 millimeters (mm) 53,600 centimeters (cm)

What is an emission spectrum? Use the Bohr model to explain why the emission spectrum of the hydrogen atom consists of distinct lines at specific wavelengths

If you see the Sun is high in the sky, what can you say about the SUN as viewed from the opposite side of Earth at the same moment?

What element has 8 valence electrons

Which of the following best describes a metal? Brittle, shiny, and solid Brittle, dull, and low density Malleable, shiny, and able to conduct heat or electricity Malleable, dull, and solid, liquid, or gas at room temperature?

Which of the following errors could cause your percent yield to be falsely high, or even over 100%? Select ALL that apply. A.) Heating the sample too vigorously. B.) Handling the crucible directly with your hands. C.

If 56.8 ml of bacl2 solution is needed to precipitate all the sulfate ion in a 554 mg sample of na2so4 (forming baso4), what is the molarity of the solution?