Why is sodium chloride not poisonous? Salt water is full of sodium chloride molecules. are not poisonous and reactive like sodium metal and chlorine gas because they are electrically charged atoms called “ions.” The sodium atoms are missing their outer electron. Why does sodium chloride explode in water? Scientists who’ve also experimented with molten salt […]
Is chalk a precipitate?
Is chalk a precipitate? Composition: Chalk is a form of calcium carbonate, having the same chemical composition as ground calcium carbonate, limestone, marble, and precipitated calcium carbonate (PCC). In fact, all of the calcium carbonates listed in the previous sentence have the same crystal form, calcite. What is the purpose of the chalk lab? Purpose: […]
What will happen to a horizontally launched projectile when gravity is removed?
What will happen to a horizontally launched projectile when gravity is removed? Horizontally Launched Projectiles In the absence of gravity, the cannonball would continue its horizontal motion at a constant velocity. This is consistent with the law of inertia. Which angle will give the maximum range for a projectile? The sine function reaches its largest […]
What are metamorphic rocks made from quizlet?
What are metamorphic rocks made from quizlet? Metamorphic rocks are formed by intense heat, intense pressure, or by the action of watery hot fluids (metamorphism). Any of the rock types in the rock cycle can be metamorphosed, or changed into a metamorphic rock (metamorphic rock can be metamorphosed again). What rock will sand become when […]
What is the difference between the dew point and humidity?
Why it is easier for camel to run in desert?
What are three benefits of sustainable farming?
What are three benefits of sustainable farming? Sustainable Agriculture Increase profitable farm income. Promote environmental stewardship. Enhance quality of life for farm families and communities. Increase production for human food and fiber needs. Which of the following is a benefit of sustainable agriculture? Sustainable agriculture also benefits the environment by maintaining soil quality, reducing soil […]
Does SPF 15 protect you?
Does SPF 15 protect you? Regular daily use of SPF 15 sunscreen can reduce your risk of developing squamous cell carcinoma (SCC) by about 40 percent, and lower your melanoma risk by 50 percent. Help prevent premature skin aging caused by the sun, including wrinkles, sagging and age spots. Why is high SPF not good? […]
What does it mean to be emotionally confused?
What does it mean to be emotionally confused? The feeling when you get information that does not make sense to you, leaving you uncertain what to do with it. You feel confused when you receive information that you cannot match with what you already know or believe to be true. What emotions are easily confused? […]
How does extinction of animals affect humans?
How does extinction of animals affect humans? As species disappear, infectious diseases rise in humans and throughout the animal kingdom, so extinctions directly affect our health and chances for survival as a species. The rise in diseases and other pathogens seems to occur when so-called “buffer” species disappear. Why do we need to protect animals? […]