Chemistry, 02.03.2021 16:10 kraigstlistt
Column A 1. What forms body structures; protects from disease and speeds up chemical reactions in living things?: What forms body structures; protects from disease and speeds up chemical reactions in living things? 2. What helps living things perform chemical reactions and is essential for life ?: What helps living things perform chemical reactions and is essential for life ? 3. What contains instructions needed to carry out all functions of life?: What contains instructions needed to carry out all functions of life? 4. What provides the cells with energy and stores energy?: What provides the cells with energy and stores energy? 5. What forms structures in cells?: What forms structures in cells? Column B a. Lipids b. Carbohydrates c. Nucleic Acids d. Proteins e. Water
Answers: 1
Chemistry, 21.06.2019 15:30
1. baking powder is a 1: 1 molar mixture of cream of tartar (khc4h4o6) and baking soda (nahco3). a recipe calls for two teaspoons (a total of 8.0 grams) of cream of tartar. how much baking soda must be added for both materials to react completely?
Answers: 2
Chemistry, 21.06.2019 16:50
What is the composition, in atom percent, of an alloy that consists of 4.5 wt% pb and 95.5 wt% sn? the atomic weights for pb and sn are 207.19 g/mol and 118.71 g/mol, respectively.(a) 2.6 at% pb and 97.4 at% sn(b) 7.6 at% pb and 92.4 at% sn(c)97.4 at% pb and 2.6 at% sn(d) 92.4 at% pb and 7.6 at% sn
Answers: 2
Chemistry, 22.06.2019 06:00
Match the name of the following compound: mgso4 · h2omagnesium sulfate monohydratemagnesium (ii) sulfate monohydratemagnesium (ii) sulfate hydratemagnesium sulfate hydrate
Answers: 1
Chemistry, 22.06.2019 12:00
Ageochemist examines a piece of metal that he found in the soil. he performs tests to identify the metal from its density, electrical conductivity, and melting point. which statement best describes his investigation? a. he is determining physical properties that are sufficient to identify the metal.b. he is determining chemical properties that are sufficient to identify the metal.c. he is determining physical properties that are insufficient to identify the metal.d. he is determining chemical properties that are insufficient to identify the metal.
Answers: 3
Column A 1. What forms body structures; protects from disease and speeds up chemical reactions in li...
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