Animal behaviorists often refer to the lead dog in a pack as the

A. high dog.

B. proestrus.

C. operator.

D. alpha dog.

How much Potassium Nitrate do I need to make 21g of Nitric Acid?

Two chlorides on the carbon of a methane unit are called: (choose one) -methyl chloride -dichloromethane -chloroform -carbon tetrachloride

Which of the following choices would have a negative entropy change? A. N2 (g) + 3H2 (g) - >2NH3 (g) B. CaCO3 (s) - > CaO (s) + CO2 (g) C. H2O (s) - > H2O (l) D. Fe2O3 (s) + 3C (s) - > 2Fe (s) + 300 (g)

Which of the following is a reasonable ground-state electron configuration? A. 1s^2 2s^2 2p^6 3s^2 B. 1s^2 2s^2 2p^6 3s^2 3d^4 C. 1s^2 2s^2 2d^10 2p^3 D. 1s^2 2s^s 2p^3 2d^6

The empirical formula for acetylene is CH, and it's molar mass is 26.04. What is the molecular formula?

True or false: the hydrogen atom is most stable when it has a full octet of electrons.

Is it illegal for fracking companies to let water that has been used for fracking deep back into the ground?

Classify each substance as a pure substance or a mixture. If it is a pure substance, classify it as an element or a compound. If it is a mixture, classify it as homogeneous or heterogeneous. a. Sweat b. Carbon dioxide c. Aluminum d. Vegetable soup

Which describes energy changes during nuclear fission? A very large amount of energy is produced from a tremendous mass. EEUU A very large amount of energy is produced from a very small mass. G .

For 2H2 + O2 → 2H2O: 4 moles of H2 will react with moles of O2 to produce moles of H2O