1. Which type of telescope is most useful for detecting a star that emits very long
electromagnetic waves?
Which of the following is a product formed when BaO and H2O react together?
BA(OH)2 (Barium hydroxide)
Barium hydroxide is a chemical compound with the chemical formula Ba(OH)āā. The monohydrate, known as baryta or baryta-water, is one of the principal compounds of barium.
A person throws a 0.44-kg ball straight up into the air. It reaches a height of 9
m. What is the force on the ball as it begins to fall? (The acceleration due to
gravity is 9.81 m/s2)
A. 2.06 N
B. 2.48 N
C. 4.32 N
0 D. 1.18N
C - 4.32
Explanation:
.44 x 9.81
5. The bond in a molecule of Cl2 could be described as
A. covalent
O B. ionic
C. both A and B
O D. neither A nor B
the bond in a molecule of Cl2 is a covalent bond
What is a surface that reflects a color of 500 nanometer wavelength?
Answer:
something cyan colored?
Is baking soda pure or impure
Answer:
Is baking soda pure or impure
answer: pure
define the chemical reaction?ā
Answer:
HOPE IT HELPED U ....
Explanation:
Chemical reaction is a process that involves rearrangement of the molecular or ionic structure of a substance, as distinct from a change in physical form or a nuclear reaction.
Answer:
a process that involves rearrangement of the molecular or ionic structure of a substance, as distinct from a change in physical form or a nuclear reaction.
Explanation:
hope this help friend