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Chemistry, 22.06.2019 15:30, lizzyhearts
Count the number of each type of atom in the equation below, and then balance the equation. write in the numbers of atoms and coefficients. add a 1 if there should be no coefficient. cs2(l) + o2(g) → co2(g) + so2(g) c [ ] s [ ] o > c [ ] s [ ] o [ ] cs2(l) + [ ] o2(g) > [ ] co2(g) + [ ] so2(g)
Answers: 3
Chemistry, 23.06.2019 08:00, george27212
What is the temperature in kelvin of a gas if it is allowed to expand from 1.50 l to 4.50 l? the initial temperature is 10.0°c and pressure is constant throughout the change. which equation should you use? t2= v2/v1 t1 what is the final temperature? ⇒ 849 k these are the answers.
Answers: 1
Chemistry, 23.06.2019 09:00, AdoNice
A2-kg bowling ball is 1 meter off the ground on a post when it falls. just before it reaches the ground, its traveling 4.4 m/s. assuming that there is no air resistant, which statement is true a. the initial potential energy is less then the final kinetic energy b. the mechanical energy is not conserved c. the mechanical energy is conserved d. the initial potential energy is greater than the final kinetic energy
Answers: 3
Chemistry, 23.06.2019 12:50, ttangelique
What is the relative mass of an electron? a) 1/1840 the mass of a neutron + proton b) 1/1840 the mass of an alpha particle c) 1/1840 the mass of a c-12 atom d) 1/1840 the mass of a hydrogen atom
Answers: 3
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