Express the following numbers in scientific notation: (a) 0.000000027, (b) 356, (c) 47,764, (d) 0.096.

Name four products of incomplete combustion What are the four products? 1 2 3 4

Fill in the coefficients that will balance the following reaction: a0HClO4 + a1Pb (NO3) 3 → a2Pb (ClO4) 3 + a3HNO3

Suppose a chemistry student took the mass of a sample of clacium carbonate and obtain the following values 1.00 g. Was the measurement accurate or precise? Explain.

The number of valence electrons of the element with the electron configuration 1s22s22p63s23p1 is :

Which type of organism converts wastes and dead material into nutrients that can be used as plants? A) Carnivore B) Herbivore C) Decomposer D) Producer

What is the octet rule and how does it explain the formation of ionic compounds?

Can somebody explain step by step how to solve decomposition reactions?

Which of the following statements are correct about the chemical reaction? H2 + O2 - > H2O2 versus 2 H2 + O2 - > 2 H2O? They are both balanced chemical equations. The two reactions are equivalent. The laws of thermodynamics apply to both.

What do chemists use to describe a chemical reaction

When you drop a sugar cube in a glass of water, at first the water doesn't taste sweet. Later, it tastes very sweet. Eventually, the water will taste equally sweet throughout. What term explains molecule movement to maintain a balance?