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Soloha48 [4]
3 years ago
12

Which of the following energy sources harnesses the power of waves?

Chemistry
2 answers:
OLEGan [10]3 years ago
5 0
C. wind wmmernbrnrn

Leokris [45]3 years ago
3 0

Answer:

The answer is B!!! Hydrokinetic

Explanation:

Above is incorrect

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Silver has a density of 10.5 g/cm³, and gold has a density of 19.3 g/cm³. Which would have a greater mass, 5 cm³ of silver or 5
Vedmedyk [2.9K]

Gold have a greater mass

<h3>Further explanation  </h3>

Density is a quantity derived from the mass and volume  

Density is the ratio of mass per unit volume  

The unit of density can be expressed in g/cm³ or kg/m³  

Density formula:  

\large {\boxed {\bold {\rho ~ = ~ \frac {m} {V}}}}

ρ = density  

m = mass  

v = volume  

  • mass of Silver :

\tt mass=\rho\times V\\\\mass=10.5\times 5=52.5~g

  • mass of Gold :

\tt mass=\rho\times V\\\\mass=19.3\times 5=96.5~g

8 0
2 years ago
Calculate the formula mass for the compound nitrous acid.
kari74 [83]

Answer:

47.01g/mol

Explanation:

The formula of Nitrous acid is HNO₂:

The formula mass of a compound gives the sum of the atomic masses of the elements that makes up a compound.

Atomic mass of H = 1.0079g/mol

                          N = 14.0067g/mol

                          O = 15.9994g/mol

Formula mass of HNO₂ = 1.0079 +  14.0067 + 2(15.9994)

                                        = 1.0079 +  14.0067 +31.9988

                                         = 47.01g/mol

8 0
3 years ago
Which option should a person avoid doing in order to better protect the quality of watersheds?
Norma-Jean [14]

"People should remove native plants around watersheds" option should a person avoid doing in order to better protect the quality of watersheds.

<u>Option: A</u>

<u>Explanation:</u>

Watershed is basically a source of large amount of water like river, sea, etc to another location like lake, ponds and stream.This is seen majorly during rainy season by water harvesting to supply further for farming, portable water plant, manufacturing sectors, enrich habitat to number of plants and animals, etc. Waterways face issues when erosion, pollutants and runoff of animal waste take place, which act as barrier for water flow, as it decreases the quality which affect aquatic animals life, reduce oxygen content. Native plants near watersheds is also a habitat for many animals and species thus it should not be removed until some major flaw occurs.

5 0
3 years ago
Water sits in an open beaker. assuming constant temperature and pressure, the vapor pressure of the water ______________ as the
user100 [1]

For a given system, vapor pressure can be defined as the pressure exerted by the vapor phase in equilibrium with the condensed phase.

In this case, as water sits in an open beaker it tends to evaporate thereby forming water vapor. This vapor phase then exerts a pressure over the liquid water, which is termed as the vapor pressure of water at that temperature and pressure. As water continues to evaporate, more and more molecules escape into the vapor phase which thereby increases the vapor pressure.

Ans: The vapor pressure of water increases as the water evaporates.

3 0
3 years ago
Arrange the substances in the table from the MOST to the LEAST ordered particle arrangement
quester [9]
Wood, Water, and Neon Gas, because the wood is more of a solid its particles are tightly arranged and water next because it takes the shape of the container it is in and then the neon gas because with a gas the particles are not at all arranged
7 0
2 years ago
Read 2 more answers
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