What is the opening on the leafs of plants that allows gas exchange?

Which of the following elements is not a halogen? At Cl Te F

Compare √42 and √58 plotted on the number line. What is the approximate difference in tenths between the two values?

Neutral atoms of the same element can differ in their number of

What net ionic equation describes the reaction that occurs when AI2 (SO4) 3 (aq) andNa3PO4 (aq) are mixed together?

How many milliliters of a 5.4 solution can be made from 67g of magnesium nitrate

H2O2, hydrogen peroxide, naturally breaks down into H2O and O2 over time. MnO2, manganese dioxide, can be used to lower the energy of activation needed for this reaction to take place and, thus, increase the rate of reaction.

Which equation is an example of the synthesis reaction CaO+CO2---> CaCO3 2NaCL - -> 2Na+Cl2 HCI+N aOH - --> NaCL+H2O Mgl2+Cl2 - -> MgCL2+l2

A chemist weighed out 20.7 g of sodium. Calculate the number of moles of sodium she weighed out

Molecules move slowest when carbon dioxide is in which form? A. liquid carbon dioxide B. solid carbon dioxide C. carbon dioxide gas D. plasma carbon dioxide

What is the best explanation of why the iron found in the inner core of the Earth remains in the solid state even though the temperature in the inner core is roughly 5700 °C?