Density can be calculated using the following rule:
density=mass/volume
therefore,
volume=mass/density
we have mass=0.451g and density=0.824g/ml
substituting in the above equation, we can calculate the volume as follows:
volume = 0.451/0.824 = 0.547 ml
The correct answer is that chemical changes form new compounds. Chemical change is a change where the substance changes in identity or form new substances after undergoing a process. On the other hand, a physical change is a change in the properties of matter that does not change the identity of the substance.
A elephant egg cell has 28 chromosomes.
Both elephant egg and sperm cell make a zygote with 56 chromosomes.
If the solution is BASIC than it will turn purple but if ACIDIC it will turn pink.
Answer:
a small medical thermometer with a short but finely calibrated range, for taking a person's temperature.
