If you add 900 kJ of heat to 900 g of water at 90.0°C, how much water is left in the container? The latent heat of vaporization of water is 22.6 × 105 J/kg
A)
518 g
B)
258 g
C)
340 g
D)
600 g
E)
none
A
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________ are star-like objects that contain less than 0.08 solar masses and will never raise their core temperatures high enough that the proton-proton chain can begin. Other minor fusion reactions do occur in these objects. They fall in a gap between the low-mass M dwarf stars and the massive planets in which nuclear fusion never occurs
a. Brown dwarfs b. Herbig-Haro objects c. Bok globules d. T-Tauri star e. Main-sequence stars
Isotopes have the same number of
A) protons and neutrons B) protons but a different number of electrons C) neutrons but a different number of protons D) protons but a different number of neutrons
Which component of Earth's geology is believed to have been largely responsible for the long-term climate stability that has allowed life to evolve?
A) global magnetism B) seismic activity C) plate tectonics D) erosion and weathering
The Murchison meteorite in Australia was found to contain ________
Fill in the blank(s) with correct word