Explanation:
Water is compound made up of hydrogen and oxygen atoms.
Hydrogen and oxygen are elements that are joined together to form water.
A compound is a substance composed of two or more kinds of atoms/elements joined together in a definite grouping. The properties of a compound are different from those of the individual elements that are combined to make them up.
Water is made up of hydrogen and oxygen atoms in a ratio of 2 to 1;
An element is a distinct substance that cannot split up into simpler substances. Such substances are made up of one kind of atom. Hydrogen and oxygen are elements.
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Answer:
Aerobic exercise is any type of cardiovascular conditioning. It can include activities like brisk walking, swimming, running, or cycling. You probably know it as “cardio.”
By definition, aerobic exercise means “with oxygen.” Your breathing and heart rate will increase during aerobic activities. Aerobic exercise helps keep your heart, lungs, and circulatory system healthy.
Aerobic exercise differs from anaerobic exercise. Anaerobic exercises, such as weightlifting or sprinting, involve quick bursts of energy. They’re performed at maximum effort for a short time. This is unlike aerobic exercises. You perform aerobic exercises for a sustained period of time.
Answer:
d = 0.124 mm
Explanation:
It is given that,
Wavelength of light is 525 nm
It makes second maximum at an angle of 0.482 degrees
We need to find the separation of the slits.
For 2nd maximum, the equation for double slip experiment is given by :
d = separation of the slits
So, the separation of the slits is 0.124 mm.
In order to determine the mass of a given volume, it is important to know the density of the substance. <span>Density is a physical
property of a substance that represents the mass of that substance per unit
volume. For water, we can assume 1000 g/ L. Therefore, the mass is 1000 g/L ( 2.00 L ) = 2000 g.</span>
