Chemistry, 03.09.2020 01:01, Spoiledgirl2905
A person uses 780 kcal on a long hike. Calculate the energy used for the hike in each of the following energy units. What is the energy in joules?
Answers: 1
Chemistry, 22.06.2019 06:40, alyons60
Which statement correctly describes metallic bonds? a. they form when certain atoms lose electrons and other atoms gain electrons. b. they involve an attraction between anions and cations. they always involvpoth a metal and a nonmetal. d. they can only form between atoms of the same element. e. they form because electrons can move freely between atoms.
Answers: 3
Chemistry, 22.06.2019 14:30, Dreynolds1667
100 grams of molten lead (600°c) is used to make musket balls. if the lead shot is allowed to cool to room temperature (21°c), what is the change in entropy (in j/k) of the lead? (for the specific heat of molten and solid lead use 1.29 j/g⋅°c; the latent heat of fusion and the melting point of lead are 2.45 × 104 j/kg and 327°c, respectively.)
Answers: 1
Chemistry, 22.06.2019 21:00, rah45
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
A person uses 780 kcal on a long hike. Calculate the energy used for the hike in each of the followi...
Mathematics, 06.05.2021 05:40
Mathematics, 06.05.2021 05:40
Mathematics, 06.05.2021 05:40
Mathematics, 06.05.2021 05:40
Mathematics, 06.05.2021 05:40
Mathematics, 06.05.2021 05:40