A food worker had safely cooled a large pot of soup to 70 F (21 C) with two hours. What temperature must the soup Reach in the four hours to be cooled properly

Where are the protons and neutrons and electrons located in an atom?

Draw the structure of a compound of molecular formula C4H8O that has a signal in its 13C NMR spectrum at ≥ 160 ppm. Then draw the structure of an isomer with no rings of molecular formula C4H8O that has all of its 13C NMR signals at < 160 ppm.

Scientific paper is rejected during peer review of a journal because the experiment was done only once which best explains why the reviewer O A The reviewer was biased against the other scientist.

As a storm from moves in, you notice that a column of mercury in a barometer rises to 736 mm. (a) Determine the air pressure.

What determines the chemical property of an atom? the number of: question 2 options: protons in the nucleus electrons in the outermost shell neutrons in the nucleus isotopes of the atom?

Which elements are likely to have a larger atomic radius than silicon (Si). aluminum (Al) carbon (C) sulfur (S) tin (Sn)

What volume of concentrated nitric acid (15.0 M) is requiredfor the preparationof 2.00 L of 0.001M nitric acid solution?

Which are NOT vascular seedless plants?

Consider this reaction: 2al (s) + 3 cucl2 (aq) → 2alcl3 (aq) + 3 cu (s) if the concentration of cucl2 drops from 1.000 m to 0.655 m in the first 30.0 s of the reaction, what is the average rate of reaction over this time interval?

Which metal is most likely to be formed easily into thin sheets? o scandium o chromium O gold