When a reactive metal reacts with water, it forms the metal hydroxide and hydrogen. Which of the following is the correct word equation for a Group 1 metal? calcium + water → calcium hydroxide + hydrogen aluminium + water → aluminum hydroxide + hydrogen ...
Technological improvements are needed so that wind, solar and hydrogen can be more(7) ___ parts of the energy equation. Governments need to formulate energy policies that promote (8) ___ and environmentally sound development. Consumers must be willing to pay for some of these solutions,while ...
Step 2: Balance the EquationNow, we need to balance the equation. 1. Count the Atoms on Each Side: - Left Side: - Calcium (Ca): 1 - Hydrogen (H): 2 (from H₂O) - Oxygen (O): 1 (from H₂O) - Right Side: - Calcium (Ca): 1 - Hydrogen (H): 2 (from Ca(OH)...
Simplify the form of a mathematical equation of expression by substituting one term for another Lower in grade or rank or force somebody into an undignified situation Be the essential element Reduce in size; reduce physically Lessen and make more modest Make smaller To remove oxygen from a compoun...
Word Problems If given an equation in word format, the first step is to write the skeletal equation.If given an equation in word format, the first step is to write the skeletal equation. You do this by writing the symbol for the elements, and the formula for each compound.You do this ...
To write the symbolic representation for the word equation "Aluminium + Chlorine → Aluminium chloride" and balance it, follow these steps:1. Identify the Reactants and Products: - Reactants: Aluminium and Chlorine - Prod
346. beyond The equation is beyond me, and it won’t come out. 347. Saturday Saturday is the first day of weekdend. 348. refrigerator Can you put the vegetables in the refrigerator? 349. smooth Her legs are smooth and clean. 350. design The design of the house is so great. 351. ...
hydrogen72293.858.76 ammonia370293.159.82 sulfur dioxide 416 293.6512.54 helium79.427319 Viscosity of a dilute gas The Chapman-Enskog equation may be used to estimate viscosity for a dilute gas. This equation is based on semi-theorethical assumption by Chapman and Enskoq. The equation requires th...
The value of N in such cases can be calculated by equation (7): N ? NE ? ?( ri5 Ni ) for i = 1, 2, ... n (7) where N is the number of cycles of maximum computed displacement stress range, SE; ri is the ratio of Si to SE (Si /SE); Si is any computed ...
for new 6Automakers must continue to improve fuel efficiency and perfect hybrid(混合动力的)vehicles.Technological improvements are needed so that wind,solar and hydrogen can be more 7 parts of the energy equation.Governments need to formulate energy policies that promote 8 and environmentally sound ...