WorksheetsMs. Ohs chemistry Unit 6 quizziz
Total questions: 12
Worksheet time: 10mins
Why does warm temperature increase reaction rate?
The kinetic energy increases, making molecules move faster. Therefore, making more collisions between molecules.
They were cold before.
They didn't want to work.
More particles are exposed.
How many calories are given off when 500g of water at 0 degrees C freezes? (Heat of fusion = 79.72 cal/g)
39,860 cal
400,000,000 cal
40 kilocalories
how many big macs
What is the equation for specific heat? (x = multiplication)
c = q/m x deltat
M cat
mc ham
q = m x c x delta t
Valen or Romeo?
Romeo
Valen
Draw a diagram of the endothermic reaction. (include: system, surrounding, heat in, and heat out)
Catalysts lower the (a) of a reaction, speeding it up. (no caps)
Check all the boxes containing factors that affect reaction rates
Temperature
Concentration
Pressure
Surface Area
Catalyst
How much heat (joules) is given out when 85kg of lead (Pb) cools from 200 degrees C to 10 Degrees C (Specific heat of Pb = 0.129 J/g degrees C)
2,083,350 joules
Mad joules
4,000,000 joules
2,083,350 calories
How many calories are given off when 123,456 g of steam condenses to liquid water? (heat of vaporization = 539.4 cal/g)
66592166.4 calories
60,000,000 calories
66592166.4 joules
dexters mcnuggis order at McDonald's on pico.
Which way does the reaction shift to when you add an excess of reactants to the system? (write answer as left/right, towards products/reactants)
(a)
How many joules of heat are necessary to raise the temperature of 55g of water from 23 degrees C to 80 degrees C (specific heat of water = 4.184 cal/g degrees C)
13,116.84 joules
7214 calories
3252123 joules
eugene's transformer theme mongolian bbq
What is Ms. Oh's favorite Disney movie?
Inside out
frozen
zootopia
monsters inc.
