Chemistry
calculate the energy in joules lost when 70.0 grams of water cools from 86.4 celsius to 7.1 celsius
Chemistry
you have 20% sucrose solution. you need to mke 100ml of 15% sucrose solution. which is the correct dilution? A. 85ml of 20% sucrose and 15ml of h2o B. 25ml of 20% sucrose and 75ml of h2o C. 75ml of 20% sucrose and 25ml of h2o D. 15ml of 20% sucrose and 85ml of h2o
Chemistry
It said it is still wrong. It said Which of the two strong bases will produce more OH ions per formula unit?
NEED HELP ASAP
So it would be KOH>Ca(OH)2>NH3>HBrO>HBr?
NEED HELP ASAP
The answer you put is wrong.
Chemistry
Rank these to highest pH to lowest pH: NH3, KOH, Ca(OH)2, HBr, HBrO I put these in the same order for highest pH to lowest but still get it wrong.
chemisty
The density is the mass/volume. You will have to calculate the volume of the block. The volume of a block is the height x width x length. However, before multiplying, be sure to convert the dimensions so they are the same units. For example, convert them to cm.
CALCULUS
The derivative of e^x is e^x. To determine the derivative apply the constant multiple rule
Earth Science
Which geologic principle states that if rock strata are found folded or faulted, the folding or faulting occurred after they were deposited? faunal succession uniformitarianism original horizontality cross-cutting relationships Uniformitarianism does not sound right at all for...
Algebra
-2x-y=-1 how do you put this in slope-intercept form y=mx=b ?
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