Chemistry, 03.06.2020 05:57 kittybatch345
Calculate the percentage of nitrogen in the two important nitrogen fertilizers, ammonia (NH3) and urea (Co(NH2)2).
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Chemistry, 21.06.2019 20:30
9. write the chemical equation for the following word equations. include symbols for physical states in the equation. a. solid zinc sulfide + oxygen gas -> solid zinc oxide + sulfur dioxide gas b. aqueous hydrochloric acid + aqueous barium hydroxide -> aqueous barium chloride + water
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Electrons are extremely important to what area of technology? a) anti-aging research b) household product development c) electronics d) drug discovery
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Chemistry, 22.06.2019 15:00
20 pts ‼️ an unmanned spacecraft travels to mars. mars has a lower strength of gravity than earth. where in the image is the spacecraft’s weight the greatest?
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Chemistry, 22.06.2019 16:00
If 15 drops of ethanol from a medical dropper weight 0.60g, how many drops does it takes from a dropper to dispense 1.0ml of ethanol? the density of ethanol is 0.80g/ml
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Calculate the percentage of nitrogen in the two important nitrogen fertilizers, ammonia (NH3) and ur...
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