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Answer: The first one: 2.50 x 10^-5
Explanation:
Answer:
12 (x + 7/10)
Explanation:
Algebra is a branch or aspect of mathematics that deals with the combination of numbers and alphabetic letters. In other words, a mathematical expression that contains letters is termed "algebraic".
According to this question, the following algebraic phase is given: "twelve times the sum of a number and seven-tenths". The algebraic expression is as follows:
- The sum of a number, which is represented by letter "x" and seven-tenths, which mathematically means 7/10 is x + 7/10.
- twelve (12) multiplied by this will give
12 × x + 7/10
= 12 (x + 7/10)
= 12x + 84/10
The balanced reaction that describes the reaction between butane and oxygen to produce carbon dioxide and water is expressed <span>2C4H10(g)+13O2(g)→10H2O(g)+8CO2(g). For 7.36 g of butane, 11. 4 grams of water is produced. When 72.7 grams of CO2 is produced, 23.9 grams of butane is needed.</span>
Answer:
When a copper is drawn into wire the only change that occurs is change in its shape and size no change will take place into its composition that is the wires are still possessing the properties of copper metal. Thus, a physical change takes place when copper is drawn into wire.