Answer:
A matter can not be created or destroyed in chemical reactions. In every chemical reactions, the same mass of matter must end up in the product as started in the reactants
To different sodium from calcium ions, we can add sodium and calcium ions separately to Na2CO3. On the sodium ion side, there will be no reaction while with Ca 2+ ions, the product resulting from the reaction will be CaCO3 via single replacement reaction. CaCO3 is a precipitate which makes the difference between the two ions.
Answer:
Reactant concentration, the physical states of the reactants, surface area, temperature and the presence of catalyst.
Wind<span> is the horizontal movement of air from an area of high pressure to an area of low pressure.</span>
<span>Winds are caused by differences in air pressure. </span>
These differences are caused by the uneven heating of the Earth’s surface.
<span>Winds are named by their direction (where they originate from) and speed.</span>
<span>Wind speed is measured by an anemometer.</span>
<span>v<span> </span></span>Local Winds:<span> winds that blow over short distances-caused by the uneven heating of Earth’s surface within a small area. They form only when large-scale winds are weak.</span>
<span>Ø<span> </span></span>Sea Breeze<span><span>: </span>a local wind that blows from an ocean or a lake.</span>
<span>§<span> </span></span> Occurs because land heats up faster than water – The warm air expands creating an area of low pressure over the land, so the cooler more dense air moves toward the low-pressure land area.
<span>Ø<span> </span></span>Land Breeze<span>: a local wind that blows from the land toward water</span>
<span>§<span> </span></span><span>Occurs because land cools faster than water – The low pressure (less dense) air is now over the water. The warm less dense air rises so the cooler air from the land moves toward that low pressure area by the water.</span>
