Chemistry, 04.12.2020 18:20 ciaralamont2
Based on the graph of US population and steel consumption, what could have led to the increase in steel consumption seen on
the graph?
Steel consumption increased when people started to use computers
When the population first started to increase there was a need for much more construction
Whenever the population has increased, steel consumption has increased as well
A larger population consumes greater amounts of fossil fuels like steel
Answers: 2
Chemistry, 22.06.2019 08:30
In the millikan oil drop experiment they determined that every drop had a charge which was a while number multiple of -1.60x10^-19. if a drop has a total charge of -9.60x10^-19 then how many excess electrons are contained within the drop?
Answers: 2
Chemistry, 22.06.2019 18:00
Answer asap need it by wednesday morning carry out the following calculations on ph and ka of from data. i. calculate the ph of 0.02m hcl ii. calculate the ph of 0.036m naoh iii. calculate the ph of 0.36m ca(oh)2 iv. calculate the ph of 0.16m ch3cooh which has ka = 1.74 x 10-5 mol dm-3 v. calculate ka for weak acid ha which has a ph of 3.65 at 0.30m concentration vi. calculate the ka of a solution made by mixing 15.0 cm3 0.2m ha and 60.0 cm3 0.31m a-. [ph= 3.80] vii. calculate the ph of a solution made by mixing 15.0 cm3 0.1m naoh and 35.0 cm3 0.2m hcooh. [ka = 1.82 x 10-4 m]
Answers: 1
Chemistry, 23.06.2019 01:30
Astudent states that 9.0 g of baking soda will form an unsaturated solution in 100 g of water. what do you need to know to decide whether this statement is correct? a. the temperature of the water and the molar mass of baking soda b. the percent by volume of the solution and the solubility of baking soda c. the temperature of the water and the solubility of baking soda at that temperature
Answers: 1
Chemistry, 23.06.2019 05:30
Calculate the temperature rise when 0.2g of propane is used to heat 400cm cubed of water.
Answers: 3
Based on the graph of US population and steel consumption, what could have led to the increase in st...
Social Studies, 14.10.2019 17:30
Mathematics, 14.10.2019 17:30
English, 14.10.2019 17:30
Biology, 14.10.2019 17:30
Computers and Technology, 14.10.2019 17:30
Mathematics, 14.10.2019 17:30
Mathematics, 14.10.2019 17:30
Mathematics, 14.10.2019 17:30
English, 14.10.2019 17:30