Chemistry, 12.11.2019 15:31 LilFreaky666
Nitrogen transmutes to form an isotope of oxygen. the superscript for oxygen is
Answers: 2
Chemistry, 23.06.2019 06:30
Moving force of air flows from areas of high pressure to areas of low pressure true or false
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Chemistry, 23.06.2019 10:30
Can anyone explain 1. review your spectrometry data and use the known elements to identify the star's composition. which unknown elements make up this star? justify your element selections. 2. in parts i and ii of the lab, what happened to the electrons of each element to produce the different colors of light? explain your answers using important terms from the lesson and information provided in the laboratory. 3. stars composed of heavier (more massive) elements are often slightly older than stars made predominantly from hydrogen and helium. based on your data, is the newly discovered star a younger star? explain your answer.
Answers: 2
Chemistry, 23.06.2019 14:00
In 1901, thomas edison invented the nickel-iron battery. the following reaction takes place in the battery. fe(s) + 2 nio(oh)(s) + 2 h2o(l) fe(oh)2(s) + 2 ni(oh)2(aq) how many mole of fe(oh)2, is produced when 6.00 mol fe and 8.45 mol nio(oh) react?
Answers: 1
Chemistry, 24.06.2019 02:00
Suppose you stand with one foot on ceramic flooring and one on a wool carpet, making contact over an area of 76.0 cm2 with each foot. both the ceramic and the carpet are 2.50 cm thick and are 10.0°c on their bottoms. at what rate in watts must each foot supply heat to keep the top
Answers: 2
Nitrogen transmutes to form an isotope of oxygen. the superscript for oxygen is...
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