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Nezavi [6.7K]
3 years ago
5

The following are reactants in the chemical reaction shown below.

Chemistry
1 answer:
MariettaO [177]3 years ago
8 0

Answer:

A

Explanation:

Reactants are on the right side of the chemical reaction

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Write the symbol for every chemical element that has atomic number greater than 3 and atomic mass less than 15.4 u.
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N, B, Be, C

Explanation:

N (Nitrogen) has 14.0067 B (Boron) has 10.81 Be (Beryllium) has 9 and C (Carbon) has 12

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the equator is warmer than the pole because the sun energy is more concentrated at the equator than at the poles. true or false
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The block in this illustration is floating in water, which has a density of 1.00 g/cm3 .What is a good estimate of the density o
miss Akunina [59]

Answer : The density of the block is estimated to be, 0.30g/cm^3.

Explanation :

Density of the water, \rho_w=1.0 g/cm^3

As we know that,

Buoyant force = \rho\times volume\times g

where,

g = gravitational acceleration

volume of the block = v

density of the block = \rho_o

Weight of the Block = Buoyant force exerted by water

\rho_o\times v\times g=\rho_w\times 30\%\text{ of volume of block}\times g

\rho_o\times v\times g=\rho_w\times 0.30v\times g

\rho_o\times v\times 9.8 m/s^2=1 g/cm^3\times 0.30v\times 9.8 m/s^2

\rho_o=0.30 g/cm^3

Thus, the density of the block is estimated to be, 0.30g/cm^3.

6 0
3 years ago
Which process works with erosion to break down rock?
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weathering

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one brakes it down the other carries it away

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