What type of acid is sodium hydroxide? sodium compounds Sodium hydroxide (NaOH) is a corrosive white crystalline solid that readily absorbs moisture until it dissolves. Commonly called caustic soda, or lye, sodium hydroxide is the most widely used industrial alkali. It is highly corrosive to animal and vegetable tissue. The alkaline solutions it forms… Is […]
What can make sperm not to reach the egg?
What can make sperm not to reach the egg? The most common problems include: Fallopian tube obstruction. Blocked or scarred fallopian tubes that prevent sperm from reaching the egg are a frequent cause of infertility, especially among African Americans. Irregular uterine shape. Ovulation disorder. Male factor. What to do if a girl gets pregnant by […]
What exercises can I do at home?
What exercises can I do at home? Keep the fuss to a minimum and stick with the basics. Lunges. Challenging your balance is an essential part of a well-rounded exercise routine. Pushups. Drop and give me 20! Squats. Standing overhead dumbbell presses. Dumbbell rows. Single-leg deadlifts. Burpees. Side planks. Is exercising 15 minutes a day […]
What is formed when two or more substances are combined?
What is formed when two or more substances are combined? Two or more elements combined into one substance through a chemical reaction form a chemical compound. All compounds are substances, but not all substances are compounds. A chemical compound can be either atoms bonded together in molecules or crystals in which atoms, molecules or ions […]
What are the main sources of error in enthalpy experiments?
What are the main sources of error in enthalpy experiments? Sources of error Likely sources of experimental error in this experiment include improper mixing, the placement of the thermometer bulb onto slowly dissolving solids, incorrect reading of the thermometer, not enough thermometer readings, and spillages. The most probable sources of error are the first two. […]
What pattern do most stars follow?
What pattern do most stars follow? Stars rise in the northeast and set in the northwest, moving in counter-clockwise circles around a point that’s high above the northern horizon: Half-hour time exposure facing north and slightly west, from the same location as the previous three photos. Do Stars patterns? The patterns of stars seen in […]
How do you know how many sig figs A number has?
How do you know how many sig figs A number has? To determine the number of significant figures in a number use the following 3 rules: Non-zero digits are always significant. Any zeros between two significant digits are significant. A final zero or trailing zeros in the decimal portion ONLY are significant. Are sig figs […]
What produces most lift at low speed?
What produces most lift at low speed? A: The straight wing is found on a lot of low-speed airplanes. This kind of wing extends from the body of the airplane at right angles. These wings provide good lift at low speeds, and they are structurally efficient, but are not suited to high speeds. Which airfoil […]
Can copper wire be used as a heating element?
Can copper wire be used as a heating element? Copper is a good conductor of heat. This means that if you heat one end of a piece of copper, the other end will quickly reach the same temperature. Most metals are pretty good conductors; however, apart from silver, copper is the best. Why is copper […]
Which force affects the movement of ship?
Which force affects the movement of ship? The main factors that affect the motion of the ship and its response are the shape, size and weight of the ship. These factors determine other important parameters such as the centre of gravity, the centre of buoyancy and the beam at the waterline. What are 4 Forces […]