I think the answer is copper and iodine
<span>a reaction accompanied by or requiring the absorption of heat</span>
Answer:
All of the above
A person lifts up a box from the ground and places it on a shelf
Explanation:
Work done is the force applied on a body to move it through a particular distance or to cause displacement.
Force applied which is the push or pull on a body is very important
Distance or displacement which is the resultant length of path traveled by the body is key.
Work done = force x distance moved in the direction of the force
A person lifting a box is doing work.
Answer:
Answers are given below
Explanation:
Significant figures:
When we add or subtract the values the number of significant figures after decimal in result must be equal to the given measurement having less number of decimal places.
b) 5.45 -2.3
3.2
d) 14.98 + 27,340 + 84.7593
27439.74
When we multiply or divide the values the number of significant figures must be equal to the less number of significant figures in given value.
a) 628 × 342
214776
we will round off this value into 3 significant figures.
215000
c) 28.0/13.483
2.08
Answer:
3.78x10^23 moles and 17.04 grams
Explanation:
N/A