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balu736 [363]
3 years ago
13

Answer both or even one question its science

Chemistry
2 answers:
ikadub [295]3 years ago
8 0

Answer:

the fulcrum holds the two parts together

Explanation:

Tresset [83]3 years ago
5 0
For the first one the input force would be where the grip part is
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Can y’all help me with this science question plz
elixir [45]
The tree I know is producer
7 0
3 years ago
Enter a balanced equation for the reaction between solid silicon dioxide and solid carbon that produces solid silicon carbide an
givi [52]

Answer:

SiO2(s) + 3C(s)  ------> SiC(s) + 2CO(g)

Explanation:

The formula for silicon oxide is SiO2 and carbon is C. silicon carbide is SiC

and carbon monoxide is CO.

An arrow is always used to separate the reactants (left) and products (right).

A balanced equation must contain equal number of atoms in each side of the equation.

For example in the equation above, there are 1 atom of silicon appears on each side; 2 atoms of oxygen and three atoms of carbon.

3 0
3 years ago
In a given year, which would result in the greatest increase in population size?
Serhud [2]

Answer:

b because no death and no emigration

Explanation:

4 0
4 years ago
How do I do letter D? Someone help me please
Minchanka [31]
So for D you have to find energy right
from c you get wavelength Lambda
so on D use this
E = Hc / lambda
c is given 1.5 x 10 ^20
h = 6.624 x 10^-34
and then you get answer for energy
8 0
3 years ago
Please help!!!!
Nat2105 [25]

Answer:

When an atom gains or loses energy, the  energy of an electron can change.

An electron in an atom can move from one  energy level to another when the atom gains  or loses energy.

Explanation:

The possible energies that electrons in an atom

can have are called energy levels.

• An electron cannot exist between energy levels.

https://1.cdn.edl.io/tTlW7xRtvD62xSe7RcZlJr7kSR7XsL93akcgJkbGJBNNcpwY.pdf

*this link can also help* brainly ist plz

8 0
3 years ago
Read 2 more answers
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