Distance from the Sun for all of the planets and Orbital (Revolution) Period. In other words, how are these two related?

How much heat is added if 0.814g of water increase in temperature by 0.351 degree c?

Do polar molecules have ionic bonds?

Achemist who studies water samples did a demonstration of how to test for lead in water. she added a clear solution of potassium iodide to a clear solution of lead nitrate. then a yellow swirling solid formed in the liquid. what is most likely true about the yellow solid?