Nitric acid (H NO3), also known as aqua fortis and spirit of niter, is a highly corrosive mineral acid. The pure compound is colorless, but older samples tend to acquire a yellow cast due to decomposition into oxides of nitrogen and water.Most commercially available nitric acid has a concentration of 68%.ed fuming nitric acid, or RFNA, contains substantial quantities of dissolved nitrogen dioxide (NO 2) leaving the solution with a reddish-brown color. Due to the dissolved nitrogen dioxide, the density of red fuming nitric acid is lower at 1.490 g/mL.
Thus, a standard tuna sandwich on white contains 476 calories, while a whole-wheat tuna sandwich has 490 calories. To lower the calories, you could mix the tuna with low-fat, plain Greek yogurt.f your pantry includes tuna, you're hardly alone. According to the National Fisheries Institute, consumers in the United States enjoy more than a million pounds of tuna annually.
An open tuna fish sandwich with guacamole and cherry tomatoes A tuna melt has melted cheese on top of the tuna or on a tomato slice and is served on toasted bread. A tuna boat is a tuna fish sandwich served in a hot dog bun or long-split bread roll. Nutrition. Tuna is a relatively high protein food and it is very high in omega-3 fatty acids. A sandwich made from 100 grams of tuna and two slices of toasted white bread has approximately 287 Calories, 96 Calories of which are from fat (10.5 grams fat). It also has 20 grams of protein and 27 grams of carbohydrates.