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GuDViN [60]
3 years ago
5

A student wants to know if the effect of gravity is the same on all objects. She follows these steps:

Chemistry
1 answer:
BartSMP [9]3 years ago
8 0
Choose new balls (which is A I believe)
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The steps in every scientific investigation must_______________________.
Marizza181 [45]

Answer:

B. begin with a hypothesis

Explanation:

6 0
3 years ago
Commercially available concentrated sulfuric acid is 17.2M . Calculate the volume of concentrated sulfuric acid required to prep
Dimas [21]

Answer:

0.727 l.

Explanation:

For the new dilute Sulphuric acid,

Number of moles = molar concentration × volume

= 2.5 × 5

= 12.5 mol

Volume of concentrated solution = 12.5/17.2

= 0.727 l of 17.2 M of sulphuric acid to be diluted.

5 0
3 years ago
As the pendulum moves from point 2 to point 3, what happens to its mechanical energy?potential energy is converted to kinetic en
ahrayia [7]

Answer: Potential energy is converted to kinetic energy and back again.

Explanation:At points 1 and 3, the pendulum stops moving, and its mechanical energy is purely potential. At point 2, the pendulum is moving the fastest, and its mechanical energy is purely kinetic. Therefore, as the pendulum moves from point 1 to point 3, its potential energy is first converted to kinetic energy, then back to potential.

3 0
3 years ago
How many independent variables can you have during an experiment? A: 1 B: 2 C: as many as you would like D: the same amount as t
lianna [129]

Answer: a

Explanation: its 1

3 0
3 years ago
Read 2 more answers
What is bromin what is bromine what is bromine
yulyashka [42]

Answer:

Bromine is a chemical element with the symbol Br and atomic number 35. It is the third-lightest halogen, and is a fuming red-brown liquid at room temperature that evaporates readily to form a similarly colored gas.

3 0
3 years ago
Read 2 more answers
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