Calculate δh∘ in kilojoules for the reaction of ammonia (δh∘f=−46.1 kj/mol) with o2 to yield nitric oxide no (δh∘f=91.3 kj/mol) and h2o(g) (δh∘f=−241.8 kj/mol), a step in the ostwald process for the commercial production of nitric acid.,

Pls! plant cells and animal cells were observed under a microscope. the characteristics of two cells are listed below. cell p: does not capture sunlight cell q: has cytoplasm but no chloroplast which statement about the two cells is correct? cell q also has a cell wall. cell q also has large vacuole. cell p also has a large vacuole. cell p also has a cell membrane.

You have a sample of a gas that occupies a volume of 17ml at -111 degrees celsius. what volume does the sample occupy at 88 degrees celsius? show all work asap

What causes different colors to appear in the sky? the absorption of light by air molecules the reflection of light by bodies of water the greenhouse effect in earth's atmosphere the scattering and reflection of light by dust particles