I need to figure out the weight after all of it is together 30ml of water will be mixed with the baking soda

the 250ml beaker weighs 77.0g

then pouring 150ml of acetic acid (vinegar)

the flask is in a drying oven overnight

what's the weight the next day, beaker and all​

Which of the following electromagnetic waves can create ions?

Which of the following is an example of physical change not a chemical change? a) a log gives off heat and light as it burns. b) a tree stores energy from the sun in its fruit. c) a penny lost in the grass slowly changes color. d) a water pipe freezes and cracks on a cold night.

In the following table, all the columns for the element calcium are filled out correctly. element electron structure of atom electron structure of ion net ionic charge calcium 1s22s22p63s23p64s2 1s32s22p63s23p64s1 +1 true false