WILL GIVE BRAINLIEST THINK I SPELLED IT WRONG BUT YOU KNOW WHAT I MEAN, ON QUIZ RIGHT NOW!!!, ANYWAYPLZ HELP:) Carl makes the table below to determine the number of atoms of each element in the chemical formula 4Ca(ClO3)2.
Questions: What mistake did Carl make?
Answers:
A. He did not multiply the calcium atoms by the subscript 2.
B. He did not add the coefficient 4 to the chlorine and oxygen atoms.
C. He did not add the subscript 2 to the calcium atoms.
D. He did not multiply the chlorine and oxygen atoms by the coefficient 4.

Clothing made of several thin layers of fabric with trapped air in between, often called ski clothing, is commonly used in cold climates because it is light, fashionable, and a very effective thermal insulator. so it is no surprise that such clothing has largely replaced thickand heavy old-fashioned coats. (a) consider a jacket made of five layers of 0.1-mm-thick synthetic fabric (k = 0.13 w/m·°c) with 1.5-mm-thick air space (k = 0.026 w/m·°c) between the layers. assuming the inner surface temperature of the jacket to be 28°c and the surface area to be 1.25 m2, determine the rate of heat loss through the jacket when the temperature of the outdoors is 0°c and the heat transfer coefficient at the outer surface is 25 w/m2·°c. (b) what would your response be if the jacket is made of a single layer of 0.5-mm-thick synthetic fabric? what should be the thickness of a wool fabric (k = 0.035 w/m·°c) if the person is to achieve the same level of thermal comfort wearing a thick wool coat instead of a five-layer ski jacket?

How is sound energy produced a. vibrating objects b. objects being heated c. temperature differences d. stationary objects

The sun’s mass is 2.0×10^ 30 kg, its radius is 7.0×10 5 km, and it has a rotational period of approximately 28 days. if the sun should collapse into a white dwarf of radius 3.5×10 3 km, what would its period be if no mass were ejected and a sphere of uniform density can model the sun both before and after?