4 observations that suggest a chemical change is occurring

Write balanced complete ionic equation for the reaction 2k3po4 (aq) + 3nicl2 (aq) →ni3 (po4) 2 (s) + 6kcl (aq). express your answer as a chemical equation.

As two chemicals react, the chemical bonds between the atoms in each react and break. Then, new bonds form. We call this process a chemical change or chemical reaction. True False

Which is the number in front of chemical formulas that represents the ratio of each substance shown in a balanced chemical equation? a. coefficient b. covalence number c. catalyst

What prevents a plant cell from bursting when it's full of water?

Scientific notation is used to express large numbers in convenient form true or false

How should you measure the mass of a given powdered substance?

How many moles of gas are present if p=11 atm, V=12L, T=185k?

What is the gfm of CO2?

What is a non example of sustainability

What is potential energy? The energy of change The energy of position or composition The energy of mass or volume The energy of motion