What does a safety symbol showing an apron mean?

poisonous chemicals

protective clothing must be worn

fire hazard

electrical hazard

According to Ohm's law, if V is voltage, I is current, and R is resistance, their relationship is expressed by the equation

The recommended dose of aspirin will yield approximately 100.0 micrograms/mL in the blood. How many molecules of aspirin (C9H8O4) are in a drop (0.100 mL) of blood?

Which of the following could increase the rate of chemical weathering of a rock? Question 5 options: moving it to a location with few plants and animals moving it to a drier climate increasing its total surface area moving it to a colder climate

Which of the following is a property of both solids and liquids? A definite shape B indefinite shape C definite volume D indefinite volume E none

Why did you wrap test tube 2 and 5 in aluminium foil and not test tube 1 and 6?

Which is more electronegative: nitrogen, phosphorus, carbon, or silicon?

Which two elements are the most abundant in the Earth's crust?

How do convection currents inside earths mantle affect the movement of the plates that makeup earth crust?

A neutron has approximately the same mass as

Joseph priestly discoverd and described the chemical properties of oxygen, what type of chemist would he be considered today