Asap will get 99 points
match term definition
prominences a) streams of glowing ga...
Chemistry, 18.11.2019 00:31, dogsarecrazy7868
Asap will get 99 points
match term definition
prominences a) streams of glowing gas that shoot out from the sun in an arch
solar flares b) dark spots appearing from time to time on the sun's surface
sunspots c) brief eruptions of intense high-energy radiation from the sun's surface
convection d) the rise of hotter, less dense fluid and the sinking of cooler, denser fluid
which dark solar feature is shown in the picture above?
solar flare
prominence
sunspot
corona
which layer of the sun seen above is visible during this solar eclipse?
radiative zone
convective zone
photosphere
chromosphere
which list places the layers of the sun in the correct order from outermost to innermost?
corona, chromosphere, photosphere
photosphere, radiative zone, convective zone
convective, chromosphere, corona
radiative zone, corona, convective zone
which statement describes the solar feature labeled b?
an envelope of plasma surrounding the sun
a stream of glowing gas that shoots out from the sun in an arch
a brief eruption of intense high-energy radiation from the sun's surface
a dark spot appearing from time to time on the sun's surface
which statement describes the motion of the sun?
the sun rotates at the same rate throughout.
the sun does not rotate at its poles.
different parts of the sun rotate at different rates.
the sun does not rotate at its equator.
Answers: 3
Chemistry, 22.06.2019 06:30, jonloya264
If 1.8 l of water is added to 2.5l of a 7.0 molarity koh solution, what is the molarity of the new solution
Answers: 1
Chemistry, 22.06.2019 08:00, stephstewart1209
Which of the following observations indicates that there is a small, dense, positively charged part in the center of an atom? some uncharged particles are scattered by a gold foil. all uncharged particles are attracted towards a gold foil. all positively charged particles pass straight through a gold foil. some positively charged particles bounce back from a gold foil.
Answers: 2
Chemistry, 22.06.2019 08:30, jalst6084
7. using your knowledge of colligative properties explain whether sodium chloride or calcium chloride would be a more effective substance to melt the ice on a slick sidewalk. use 3 â 4 sentences in your explanation. 8. when a 2.5 mol of sugar (c12h22o11) are added to a certain amount of water the boiling point is raised by 1 celsius degree. if 2.5 mol of aluminum nitrate is added to the same amount of water, by how much will the boiling point be changed? show all calculations leading to your answer or use 3 â 4 sentences to explain your answer. 9. if 5.40 kcal of heat is added to 1.00 kg of water at 100â°c, how much steam at 100â°c is produced? show all calculations leading to an answer. 10. the freezing of water at 0â°c can be represented as follows: h2o (l) â h2o(s) the density of liquid water is 1.00 g/cm3. the density of ice is 0.92 g/cm3. in 3 â 4 sentences explain why applying pressure causes ice to melt.
Answers: 1
Chemistry, 22.06.2019 15:20, merrickrittany
An alloy contains 66 g of pure zinc. what is the percentage of zinc in the alloy? express your answer to two significant figures and include the appropriate units.
Answers: 1