Which of the following would be a quantitative observation? a. the solution has a volume of 25 ml b. the solution turned blue c. the solution has a citrus scent d. the solution is cloudy

Take a look at this dandelion. the yellow flower on the right is pollinated and the seeds on the left are transported by

Pl what kind of reaction is this? nahco3 + h2o → co2 + naoh + h2o -composition -decomposition -single replacement -double replacement im leaning more toward single replacement. if im wrong can you explain whyy?

If you fill your car tire to a pressure of 32 psi (pounds per square inch) on a hot summer day when the temperature is 35°c (95°f), what is the pressure (in psi) on a cold winter day when the temperature is -15°c (5°f)? assume no gas leaks out between measurements and the volume of the tire does not change.