Biology Forums - Study Force

An ionic compound formed from a cation other than H+ and an anion other than OH- is called a(n) ______________.
 Fill in the blank(s) with correct word

---

[Ques. 2] When you push on a stationary object on a horizontal surface and it doesn't move, what kind of force is most likely opposing your efforts?
 a. Static friction force
  b. Sliding friction force
  c. Lubricant friction force
  d. Gravitational force
  e. Normal Force

---

[Ques. 3] When aqueous solutions of Na2CO3 and BaCl2 are mixed, the products are NaCl and ______________.
 Fill in the blank(s) with correct word

---

[Ques. 4] If an object of mass 6 kg has an acceleration of 9 m/s2, what is the unbalanced force acting on it?
 a. 54 N
  b. 0.67 N
  c. 1.5 N
  d. 15 N
  e. cannot be determined

---

[Ques. 5] The formula for the hydronium ion is ______________.
 Fill in the blank(s) with correct word

---

[Ques. 6] If a person weighs 108 lb on Earth, that person's weight on the Moon would be
 a. 648 lb.
  b. 54 lb.
  c. 18 lb.
  d. 108 lb.
  e. 54 lb.

---

[Ques. 7] The human body contains thousands of catalysts called ______________.
 Fill in the blank(s) with correct word

---

[Ques. 8] A spacecraft in space keeps going at the same velocity, even without firing its rockets, in accordance with the _______________ law of motion.
 a. fourth
  b. first
  c. second
  d. third

---

[Ques. 9] When energy is released in a chemical reaction, the reaction is called a(n) ______________ reaction.
 Fill in the blank(s) with correct word

---

[Ques. 10] Mass and weight on Earth's surface
 a. are the same thing.
  b. are defined solely by inertia.
  c. are explained by Newton's third law.
  d. differ in magnitude by a constant.
  e. are explained by Kepler's second law.

1)  salt

2)  a

3)  BaCO3

4)  a

5)  H3O+

6)  c

7)  enzymes

8)  b

9)  exothermic

10)  d

I sincerely appreciate your time, great answers!

Thank you for commenting back