Chemistry, 11.02.2021 14:00 kayleebueno
What is the physical state of substance in a chemical reaction? What are the symbols of physical state?
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Chemistry, 22.06.2019 16:50
Which of the following is an indication that a substance has undergone a chemical change? a. no new product has been formed. b. the color of the substance has not changed. c. the original constitute has not changed. d. the molecular structure has changed.
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Chemistry, 22.06.2019 21:20
If a simple machine aduces the strength of a force, what must be increased? the speed of the input force the work the simple machine performs the size of the simple machine the distance over which the force is applied
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Chemistry, 23.06.2019 14:40
Uuestons niuthe no. of millimoles of hcl required to neutralize 10 ml of 0.2 m na2co3 is(a) 2.0 m mole(b) 4.0 m mole(c) 0.2 m mole(d) 0.4 m mole
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What is the physical state of substance in a chemical reaction? What are the symbols of physical sta...
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