Q1. What are Ceres, Ida, and Gaspra?
1. meteors 2. asteroids 3. comets 4. stars Q2. Which kind of body has a nucleus, coma, and tail? 1. stars 2. meteors 3. comets 4. asteroids Q3. Which kind of body is the smallest? 1. comets 2. asteroids 3. planets 4. meteoroids Q4. Which kind of body can become a shooting star? 1. comets 2. meteoroids 3. asteroids 4. planets Q5. What causes the tail of a comet to become visible? 1. moon 2. Earth 3. asteroid 4. sun
|using the periodic tablewarm-upuse the periodic table in the tools bar to answer the following questions.what elemental classification does oxygen belongto? done
Abeaker with 2.00×102 ml of an acetic acid buffer with a ph of 5.000 is sitting on a benchtop. the total molarity of acid and conjugate base in this buffer is 0.100 m. a student adds 4.70 ml of a 0.360 m hcl solution to the beaker. how much will the ph change? the pka of acetic acid is 4.740.