Chemistry, 15.07.2021 20:40 brandicarney70p8jlsp
Use the the dot strict on the right to and the periodic table to determine the element represented.
sodium (Na)
potassium (K)
neon (Ne)
argon (Ar)
Answers: 2
Chemistry, 22.06.2019 02:10
When 225mg of anthracene, c14h10(s), was burned in a bomb calorimeter the temperature rose by 1.75k. calculate the calorimeter constant. by how much will the temperature rise when 125mg of phenol, c6h5oh(s), is burned in the calorimeter under the same conditions? (Ξ΄ch< (c14h10,s)=β7061 kj molβ1.)
Answers: 3
Chemistry, 22.06.2019 16:00
The chemical equation below shows the reaction of sodium (na) and chlorine (cl) to form sodium chloride (nacl). 2na + cl2 β 2nacl in this equation, which of the following is a reactant? i. sodium ii. chlorine iii. sodium chloride
Answers: 1
Chemistry, 22.06.2019 21:00
Which of these is an example of pseudoscience? a) predicting the time of sunrise based on data on position of earth b) predicting the date of the moon phases based on data on position of earth c) predicting eclipses based on the position of the sun and the moon d) predicting future events in a person's life based on the position of the moon
Answers: 1
Use the the dot strict on the right to and the periodic table to determine the element represented....
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