A student was measuring the capillary rise of a liquid to calculate its surface tension. In his calculation, he subtracted the level of the meniscus of the liquid in the cylinder twice, would this mistake lead to an incorrectly high or incorrectly low calculated surface tension?

Which of the following statements is true about planck’s law

The twister and runaway train are two coasters at the same amusement park. both coasters start at the same height. the coaster for the twister is twice the mass of the coaster for the runaway train. which roller coaster has greater gravitational potential energy at the start of the ride?

Ammonium perchlorate nh4clo4 is the solid rocket fuel used by the u.s. space shuttle. it reacts with itself to produce nitrogen gas n2 , chlorine gas cl2 , oxygen gas o2 , water h2o , and a great deal of energy. what mass of nitrogen gas is produced by the reaction of 2.1g of ammonium perchlorate?