Chemistry, 09.12.2020 08:50 jake122390
5. Which is NOT true about mixtures?
A. Mixtures are physical combination of only one substance.
B. Mixtures can be homogeneous and heterogeneous.
C. Mixtures are physical combination of two or more substance.
D. Mixtures can be separated in different processes.
Answers: 1
Chemistry, 22.06.2019 01:30
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.
Answers: 1
Chemistry, 22.06.2019 17:50
Cryolite, na3alf6(s), an ore used in the production of aluminum, can be synthesized using aluminum oxide. start this question by first balance the chemical equation.1.) balance the equation: - alo3(s)+naoh(l)+hf(> na3alf6+h2o(g). 2.) if 17.5 kilograms of al2o3(s), 51.4 kilograms of naoh(l), and 51.4 kilograms of hf(g) react completely, how many kilograms of cryolite will be produced? 3.)which reactants will be in excess, (al2o3, naoh, or hf) 4.)what is the total mass of the excess reactants left over after the reaction is complete in kg?
Answers: 2
Chemistry, 23.06.2019 00:30
Balance the following reaction. as2s3 + 9o2 → 2as2o3 + so2
Answers: 2
5. Which is NOT true about mixtures?
A. Mixtures are physical combination of only one substance.
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