Answers: 2
Chemistry, 22.06.2019 18:00
An object displaces 652 ml of water. the volume of the object is: 0.652 cm³ 6.52 cm³ 65.2 cm³ 652 cm³
Answers: 3
Chemistry, 22.06.2019 21:30
Liquid ammonia is produced at high temperatures and under great pressure in a tank by passing a mixture of nitrogen gas and hydrogen gas over an iron catalyst. the reaction is represented by the following equation. n2(g) + 3h2(g) → 2nh3(g) changing all but one experimental condition will affect the amount of ammonia produced. that condition is a) increasing the concentration of both reactants b) changing the temperature within the tank c) decreasing the pressure within the tank. d) increasing only the amount of nitrogen present.
Answers: 1
Chemistry, 23.06.2019 02:20
In a chemical reaction, the final amount of the products is determined by the a. universal gas law b. law of definite proportions c. air pressure d. temperature e. none of the above me
Answers: 2
Chemistry, 23.06.2019 16:00
Henry moseley used x-ray experiments to determine the atomic number of elements. how did his discovery contribute to the development of the periodic table? a.it confirmed that elements should be arranged in strict order of increasing atomic mass. b.it led to elements with similar atomic numbers being grouped together. c.it allowed the elements to be placed in strict order of increasing atomic number. d.it showed that the way mendeleev grouped elements together was completely wrong.
Answers: 1
Give three examples of monoatomic molecules....
Biology, 28.04.2021 15:50
Geography, 28.04.2021 15:50
History, 28.04.2021 15:50
Mathematics, 28.04.2021 15:50
Computers and Technology, 28.04.2021 15:50
Mathematics, 28.04.2021 15:50
History, 28.04.2021 15:50
Mathematics, 28.04.2021 15:50
English, 28.04.2021 15:50
Mathematics, 28.04.2021 15:50
Mathematics, 28.04.2021 15:50
English, 28.04.2021 15:50