When 50. 0 ml of 1. 00 m hcl(aq) and 50. 0 ml of 1. 00 m naoh(aq), both at 22. 0 °c, are added to a coffee cup calorimeter, the temperature of the mixture reaches a maximum of 28. 9 °c. What is the approximate amount of heat produced by this reaction?.

By what percent will the product of two numbers change, if the first number increases by 70%, while the second number decreases by 40%.

Carlo is wondering what causes plants to grow at different rates. carlo’s hypothesis is “plants will grow more when the day is longer.” what would be the difference between the test group and the control group in this experiment? type of soil type of plants exposure to sunlight method for measuring the growth

Which statement best describes gravity? it is the force that repels only very small objects. it is the force that acts between objects with zero mass. it is the force that sometimes acts only on very large objects. it is the force that acts between any two objects in the universe.