How much heat is released by the aluminum? (Specific Heat Capacity of aluminum is 0.90 JoC-1g-1). Why is more energy required to raise the temperature of 1.0 g of water compared with 1.0 g aluminum? 2) Why is more energy required to raise the temperature of 1.0 g of water compared with 1.0 g of […]
How do you find the pH of a strong acid and strong base?
How do you find the pH of a strong acid and strong base? Calculate the moles of the H+(aq) or OH-(aq) that is in excess. Calculate the volume of the resultant solution after the acid and base are mixed together. Calculate the concentration of the excess H+(aq) or OH-(aq) in the resultant solution. Calculate the […]
What is Force class 8?
What is resistance and current?
What is resistance and current? Resistance is a measure of the opposition to current flow in an electrical circuit. All materials resist current flow to some degree. They fall into one of two broad categories: Conductors: Materials that offer very little resistance where electrons can move easily. What are the types of resistance? Resistor types […]
Do all flowers contain both male and female parts?
Do all flowers contain both male and female parts? Flowers can have either all male parts, all female parts, or a combination. Flowers with all male or all female parts are called imperfect (cucumbers, pumpkin and melons). Flowers that have both male and female parts are called perfect (roses, lilies, dandelion). What do you call […]
What is the result of gene flow?
What is the result of gene flow? The introduction of new alleles through gene flow increases variability within the population and makes possible new combinations of traits. In humans gene flow usually comes about through the actual migration of human populations, either voluntary or forced. What’s the difference between founder effect and gene flow? Gene […]
How jewelers cut and polish diamonds so they sparkle?
How jewelers cut and polish diamonds so they sparkle? As light hits a diamond, it penetrates the diamond, bounces around and reflects within the diamond and ultimately returns light to your eye. That is the sparkle that you see. The cutting of a diamond directly impacts the amount of light performance achieved. How do you […]
What is line spread?
What is line spread? An abbreviation for “point spread” or another term for “line.” The “spread” is the betting line or odds used to determine the parameters for wagering on either the favorite or underdog in a sporting event. Wagering on a spread is intended as a method to incentivize betting on both sides of […]
What is the weight of a 150 lb person?
What is the weight of a 150 lb person? Convert 150 Pounds to Kilograms lb kg 150.00 68.039 150.01 68.043 150.02 68.048 150.03 68.052 How much does Kim Kardashian weigh? The mom of four – who has two daughters, North and Chicago, and two sons, Saint and Psalm – confirmed she weighs 124 pounds. Kim […]
How is a burette better than a measuring cylinder?
How is a burette better than a measuring cylinder? The burette is better for delivering a precise amount of volume, it’s best for titrations. A graduated cylinder is good for delivering a large amount of liquid (~1mL to 1L) with only a fair degree of accuracy. How precise is a burette? The burette tube carries […]