Questions by Giuseppa

Questions by Giuseppa

Suppose a star is 500 light- years away from earth is moved to be 600 light - years away. Which statement is correct? A. the value of the star's absolute magnitude decreases. B. the value of the star's

asked May 17, 2018

2 answers

0 votes

61.0k views

Saudi Arabia is mostly covered by rain forest. True or false

asked Mar 21, 2018

1 answer

0 votes

90.9k views

Profit:p=r-c;solve for c

asked Aug 12, 2017

2 answers

4 votes

44.3k views

Examples of black body radiators? Please

asked Aug 10, 2017

1 answer

2 votes

42.7k views

Which is formed when a section of impermeable rock forces groundwater to move laterally and emerge onto the surface of the Earth?

asked Apr 8, 2017

1 answer

4 votes

219k views

Which reaction occurs spontaneously? (1) Cl2(g) + 2NaBr(aq)-->Br2(l) + 2NaCl(aq) (2) Cl2(g) + 2NaF(aq)--> F2(g) + 2NaCl(aq) (3) I2(s) + 2NaBr(aq)--> Br2(l) + 2NaI(aq) (4) I2(s) + 2NaF(aq)--> F2(g) + 2NaI

asked Mar 15, 2017

2 answers

2 votes

215k views

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