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RideAnS [48]
3 years ago
13

M= 2 kg, a = 2 m/s^2. Find F

Chemistry
1 answer:
saul85 [17]3 years ago
8 0

Answer:

<h3>F=4k.gm/s^2</h3>

Explanation:

<h3>F=m×a</h3><h3>f=2k.g×2m/s^2</h3><h3>f=4k.gm/s^2</h3>
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mr_godi [17]
The answer is C!!!!!!!!!!!!!!!!!!!
3 0
2 years ago
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How many atoms are present in 20.9 g of titanium
ZanzabumX [31]

Answer:

atoms Ti = 2.193 E23 atoms

Explanation:

  • 1 mol ≡ 6.022 E23 atoms
  • mm Ti = 47.867 g/mol

⇒ atoms Ti = (20.9 g Ti)×(mol/47.867 g)×(6.022 E23 atoms/mol)

⇒ atoms Ti = 2.193 E23 atoms

5 0
3 years ago
The molecular mass of bromophenol blue is 692.0. Find the atomic mass for copper from a periodic table.
Tanya [424]
<span>The atomic mass for copper is 63.546 amu. Copper is typically reddish orange in color and has a melting point of 1981.4 degrees Fahrenheit. It is classified as a transition metal and has an atomic number of 29.</span>
4 0
3 years ago
Iron-59 has a half-life of 44 days. a radioactive sample has an activity of 0.64 mbq. what is the activity of the sample after 8
myrzilka [38]
Radioactive decay is a pseudo-first order reaction. When you know the half-life of the material, you could use this equation.

A= A₀(1/2)^t/h
where 
A is the final activity
A₀ is the initial activity
t is the time
h is the half-life

A = (0.64)(1/2)^88/44 = <em>0.16 mbq</em>
6 0
3 years ago
ANSWER QUICKLY PLEASE!!!!!
Dmitrij [34]

Answer:

A?

Explanation:

Solenoid is the generic term for a coil of wire used as an electromagnet.

(I'm not sure if it's the right answer but hope this helps and good luck)

:)

5 0
3 years ago
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