Answer:
(i) Formula = Fe₂(SO₄)₃
Name = Iron (III) Sulfate or ferric sulfate
(ii) Formula (NH₄)₂CO₃
Name = Ammonium Carbonate
Explanation:
Data given:
(i) Fe³⁺ and SO₄²⁻
ii) NH₄⁺ and CO₃²⁻
Formula and named of the compound =?
Solution:
(i) compound from Fe³⁺ and SO₄²⁻ and its name
writing a formula in combined form
- The symbols of two ions written together that is FeSO₄
- The charges shown on each atom is its valency and it show its combining tendency so iron will combine with 3 sulfate ions and sulfate ion will combine with 2 iron ions
- When two ions combine their valencies should be write on the base of the alternate ions.
- that is 2 will be at the base of Fe and 3 will be at the base of SO₄ without charges
- So the combined formula and name will be
compound formula form from Fe³⁺ and SO₄²⁻ = Fe₂(SO₄)₃
Name of the compound = Iron (III) Sulfate or ferric sulfate
______
(ii) compound from NH₄⁺ and CO₃²⁻ and its name
writing a formula in combined form
- The symbols of two ions written together that is NH₄CO₃
- The charges shown on each atom is its valency and it show its combining tendency so NH₄⁺ will combine with 1 carbonate ion and carbonate ion will combine with two NH₄⁺ ions
- When two ions combine their valencies should be write on the base of the alternate ions 1 should not be written.
- 2 will be at the base of NH₄⁺ without charge
- So the combined formula and name will be
compound formula form from NH₄⁺ and CO₃²⁻ = (NH₄)₂CO₃
Name of the compound = Ammonium Carbonate
An induced current is a conducting loop that is exposed to a changing magnetic field. And it is knows as induced current
Answer:
I believe the question is incomplete as the rate equation was not included in the question, but no need to be worried I can be of help. Here is the complete question:
Given: A + 3B 2C + D
This reaction is first order with respect to reactant A and second order with respect to reactant B. If the concentration of A is doubled and the concentration of B is halved, the rate of the reaction would _____ by a factor of _____.
(a) increase, 2
(b) decrease, 2
(c) increase, 4
(d) decrease, 4
(e) not change
Explanation:
Solving the above question, the rate of the reaction will decrease and by factor of 2. How?
K1 = [A] [B]^2 i.e, reactant A is first order, reactant B is second order.
k2 = 2[A] [B/2]^2 that is, concentration of reactant A is doubled, concentration of reactant B is halved.
Comparing both rate of reactions:
k1/k2 = [A] [B/2] / 2[A] [B/2]^2
k1/k2 = 4 [A] [B]^2 /2 [A] [B]^2
k1 /k2 = 4 [B]^2 / 2[B]^2
k1/k2 = 2
The rate of the reaction is therefore decreased and by 2.
With this ideas of how to solve this kind of question, you can use it to solve for the actual question if the question is solved is not the actual one.
Answer:
Saturated fat occurs naturally in red meat and dairy products. It's also found in baked goods and fried foods. Trans fat occurs naturally in small amounts in red meat and dairy products. Trans fat can also be manufactured by adding hydrogen to vegetable oil.
Jet stream- a narrow variable band of a very strong predominantly westerly air currents encircling the globe several miles above the earth.
Sea breeze- a breeze blowing toward the land from the sea, especially during the day owing to the relative warmth of the land.
Land breeze- a breeze blowing toward the sea from the land, especially at night, owing to the relative warmth of the sea.
Ocean current-DescriptionAn ocean current is a continuous, directed movement of sea water generated by a number of forces acting upon the water, including wind, the Coriolis effect, breaking waves, cabbeling, and temperature and salinity differences.
Gyre-whirl or gyrate.
Coriolis effect-an effect whereby a mass moving in a rotating system experiences a force (the Coriolis force ) acting perpendicular to the direction of motion and to the axis of rotation.
Upwelling-a rising of seawater, magma, or other liquid.
Air mass-a body of air with horizontally uniform temperature, humidity, and pressure.
Front-the side or part of an object that presents itself to view or that is normally seen or used first; the most forward part of something.
Tornado-a mobile, destructive vortex of violently rotating winds having the appearance of a funnel-shaped cloud and advancing beneath a large storm system.
Hurricane-a storm with a violent wind, in particular a tropical cyclone in the Caribbean.
Blizzard-a severe snowstorm with high winds and low visibility.
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