What is a mixture?
1. a combination of elements to make a new substance
2. a chemical...
Chemistry, 18.01.2022 14:00 smiley29162
What is a mixture?
1. a combination of elements to make a new substance
2. a chemically combined substance
3. a combination of substances where new substances are formed through a reaction
4. a combination of substances in which the atoms of the substance do not chemically combine
Answers: 1
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Achange in the number of neutrons in an atom will change an blank . when the number of protons changes in an atom, a new element will form.
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Calculate - analysis of compound composed of iron and oxygen yields 174.86 of fe and 75.14g of o. what is the empirical formula for this compound?
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What type of electromagnetic radiation has a shorter wavelength than blue light
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Balance and in which category does it fit in? single or double displacement or synthesis or decomposition? (a) k2 o → k + o2 (b) na + i2 → nai (c) cu(no3 )2 + naoh → cu(oh)2 + nano3 (d) kclo3 → kcl + o2 (e) ca(no3 )2 + hbr → cabr2 + hno3 (f) sn(oh)2 → sno + h2 o (g) p4 + n2 o → p4 o6 + n2 (h) fe + al2 (so4 )3 → feso4 + al (i) alcl3 + na2 co3 → al2 (co3 )3 + nacl (j) c3 h6 + o2 → co2 + h2 o
Answers: 1
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