Examples: Reproduction either sexually or asexually is another characteristic of living things. This is the ability to produce offspring. Adaptation means that living things alter themselves to adjust to their...
1 Answers 1 viewsA question could look like: If $mathbf98$ out of $mathbf200$ individuals in a population express the recessive phenotype, what percent of the population would you predict would be heterozygotes?...
1 Answers 1 viewsQuantitative is when you are able to use numbers or a numerical value to describe a process. For example, grams, Kelvin and other meaasurement units. Qualitative observation is...
1 Answers 1 viewsTry converting $25^@ "C"$ to $"K"$. You should get $"298.15 K"$. That's typical room temperature. Try converting $39.2^@ "F"$ to $""^@ "C""$. You should get $4^@...
1 Answers 1 viewsAn object with uniform and a weight of 6 kgm is floating in a tank of liquid. The tank is $50cm xx 50 cm xx 40 cm$ in size; the...
1 Answers 1 viewsThe of an element is the number of protons in the nuclei of its atoms. In a neutral atom, the numbers of protons equals the number of electrons. are atoms...
1 Answers 1 viewsProblem: Nitrogen has two naturally occurring , nitrogen-14 and nitrogen 15. What is the percent abundance of each isotope? Explanation: The sum of the percent abundance of both isotopes...
1 Answers 1 viewsExample NaCl, $H_2O$
1 Answers 1 viewsThis might be an A-level, 1st year problem. What would you use to order this size? Would you give us an idea at which level we should pose the question?
1 Answers 1 viewsPractice problems involving include nomenclature (naming) and formula writing. This answer will focus on the nomenclature and formula writing for binary covalent . Problem 1. Give the common name for...
1 Answers 1 views