Answer:
The human body contains trillions of microorganisms — outnumbering human cells by 10 to 1. Because of their small size, however, microorganisms make up only about 1 to 3 percent of the body's mass (in a 200-pound adult, that's 2 to 6 pounds of bacteria), but play a vital role in human health.
P = m*v
p = momentum
m = mass
v = velocity
p = (37 kg + 18 kg)*(1.2 m/s)
p = (55 kg)*(1.2 m/s)
p = 66 kg-m / s
The pH of a weak base can be anything greater than 7.
C. 8
Answer:
The answer to your question is: 81%
Explanation:
Data
CaO = 2 g
Ca(OH)₂ = 2.14 g
Reaction balanced
CaO + H₂O ⇒ Ca(OH)₂
Molecular mass
Calcium oxyde = 40 + 16 = 56 g
Calcium hydroxide = 40 + 2 + 32 = 74 g
Process
Rule of three
56 g of CaO -------------- 74 g of Ca(OH)₂
2 g of CaO ------------- x
x = (2 x 74) / 56
x = 2.64 g of Ca(OH)₂
Percent yield
% Yield = 
% yield = 81
Given what we know, we can confirm that mercury sulfide is the mineral that provides the red coloring used by artists for thousands of years.
<h3>What is mercury sulfide?</h3>
This is a compound that can be quite toxic. It has come to be known as Cinnabar. This mineral has a distinct property in which it will provide red coloring, which drew the attention of ancient artists that used it for art and decorations.
Therefore, we can confirm that the mineral known as Cinnabar, which is mercury sulfide, is the mineral that provides the red coloring used by artists for thousands of years.
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