Which of these equations is balanced?
a. h2so4 + 2al > al2(so4) 3 +h2

b. 2kcl + pb(no3) 2 > 2kno3 + pbcl2

the > symbol stands for an arrow pointing right. i could not find it on my phone query?

What is happening when the water inside a kettle heats up and begins to boil

An unknown substance has been shown to have weak covalent bonds. which of the following is most likely a property of this substance? a. high ph b. high conductivity c. low melting point d. low flammability

What is the temperature in kelvin of a gas if it is allowed to expand from 1.50 l to 4.50 l? the initial temperature is 10.0°c and pressure is constant throughout the change. which equation should you use? t2= v2/v1 t1 what is the final temperature? ⇒ 849 k these are the answers.