Leonie246 Leonie246

02-06-2015
Chemistry

Answered

Which physical changes are endothermic?
(1) melting and freezing
(2) melting and evaporating
(3) condensation and sublimation
(4) condensation and deposition

Answer :

Аноним Аноним

02-06-2015

Melting and evaporating are endothermic.

Answer Link

Other Questions

Find the vertices, the foci, and the asymptotes of the following hyperbola.[tex]\[ 9x^2 - 81y^2 = 729 \][/tex]Vertices: Enter the one with the smaller [tex]\( x

To prove AADC ACBAby Hypotenuse-Leg, what additional information needs to be proven? D A 2 1 O ZB ZD 0 21 22 BC AC O AC CA O AB CD B

Which expression is equivalent to [tex]\frac{1}{2} x+(-7)-2 \frac{1}{4} x-(-2)[/tex]?A. [tex]-1 \frac{3}{4} x-5[/tex] B. [tex]1 \frac{3}{4} x-9[/tex] C. [tex]

Question 1: What project would you recommend pursuing based on a Payback Period Analysis? Question 2: What project would you recommend pursuing based on a Weig

do you think this task, to some extent, also might explain why we sometimes proof read our own writing so poorly? What would be your solution?

Evaluate the efficiency of programs implemented in your community to educate youth about the dangers of risky sexual behavior.Consider the following factors:1.

106Question 13 of 18, Step 1 of 111/21CorrectEntry-level salaries for a variety of professions are shown in the pie chart. What percentage of salaries were abov

Consider the derivation of [tex]\sin (2 x)[/tex].[tex]\[ \begin{array}{|l|c|} \hline & \text{Step} \\ \hline 1. & \sin (2 x) = \sin (x + x) \\ \hline 2.

Which of the following statements about agriculture in the United States is correct?

Activity 2:The finance director of Cool-it Ltd is putting together the business's cash-flow forecast for the coming year. The Australian-based business's sales

In the Peace Treaty of Paris, England recognized the United States as a new and independent nation. True False

Macy's department stores markup men's cologne 63% on cost for an 8 ounce bottle. A bottle of cologne costs Macy $23.00. What is the selling price for the 8 ounc

One side of an isosceles triangle has a length of 19 m. The lengths of the other two sides are equal to one another, but are unknown. If the perimeter of the tr

The location of a post office is marked at (2,2) on a coordinate grid. Which point is about 18 units from the location of the post office? L(-12,9) M(12,9) N(1

Jason has a piece of wire that is 62.4 inches long. He cuts the wire into 3 equal pieces. Which is the best estimate of the length of each piece of wire.

what subjects other than math that use ratios

is granite a renewable resource

what is the standard form of two and twelve hundredths

Given the function rule f(x) = x^2 - 3x + 2, what is the output of f(-2)

Is MgC2 an organic, acid, inorganic compound?