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mariarad [96]
2 years ago
5

ASAP will get Brainiest question in pic ( multiple select )

Chemistry
2 answers:
motikmotik2 years ago
6 0
Wrong question ❓❓❓ I hope u will ask another question
Margaret [11]2 years ago
3 0

Answer:

Balanced, Unbalanced, Unbalanced, Balanced, Unbalanced.

Explanation:

A student sitting at a desk has no kinetic energy, he/she/they are not moving or exerting force. A rocket taking off is in the process of releasing energy, pushing the rocket upward, attempting to balance the forces of gravity and downward force. A building collapsing has kinetic energy, as gravity has now become greater than that of the force pushing against it. A satellite has balanced force because nothing is acting upon it other than gravity, at which distance, by the fact that is orbiting, is not moving towards or away from the item which has put force on it. When you are in a car at a constant speed, you may move in it as if it is stationary, because the friction on the wheels and wind speed create balanced forces against the engine. From outside of the car, these forces are unbalanced, as the car is propelled, which is what I believe the question is asking.

Hope this helps!

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in which level of organization would the roots of a plant most likely be classified? Please explain too
abruzzese [7]

Kaka ml nyu yan wala kaming paki kung ano ang lagi ginagawa nyu

8 0
3 years ago
If 40.0 g of HCl react with an excess of magnesium metal, what is the theoretical yield of hydrogen?
mamaluj [8]
Balanced equation: Mg+2HCl=MgCl2 + H2
Showing that if Mg is not a limiting factor then 2 moles of HCl on complete reaction liberate 1 mole of Hydrogen
therefore:
1 mole of HCl=35.5g, 40g=x
X= 40/35.5= 1.127mole
2 moles of HCl = 1 moles of Hydrogen
1.127=X
X=1.127/2 = 0.56
the theoretical yield of hydrogen
5 0
3 years ago
Read 2 more answers
A chemical reaction produced 177.3 grams of chlorine has (Cl²). What was the volume of the gas?
vichka [17]
Since there is so little information given, I will assume that we are at STP and i can use the conversion factor at STP--->> 22.4 Liters= 1 mol of gas

before we use this conversion, we need to convert the grams to moles using the molar mass of the molecule.

molar mass of Cl₂= 35.5 x 2= 71.0 g/ mol

177.3 g (1 mol/ 71.0 g)= 2.50 mol Cl₂

then we use the conversion to get the volume

2.50 mol Cl₂ (22.4 Liters/ 1 mol)= 55.9 Liters
3 0
3 years ago
What is the limiting reactant if 0.5 g Al is reacted with 3.5 g CuCl2?
DIA [1.3K]
The balanced equation for the above reaction is 
2Al + 3CuCl₂ --> 2AlCl₃ + 3Cu
stoichiometry of Al to CuCl₂ is 2:3
limiting reactant is when the reactant is fully consumed in the reaction therefore amount of product formed depends on amount of limiting reactant present. 
number of Al moles  - 0.5 g  / 27 g/mol = 0.019 mol
number of CuCl₂ moles - 3.5 g / 134.5 g/mol = 0.026 mol
if Al is the limiting reactant 
if 2 mol of Al reacts with 3 mol of CuCl₂
then 0.019 mol of Al reacts with - 3/2 x 0.019 = 0.029 mol of CuCl₂
but only 0.026 mol of CuCl₂ is present 
therefore CuCl₂ is the limiting reactant 
and 0.026 mol of CuCl₂ reacts with - 0.026/3 x 2 = 0.017 mol of Al is required
but 0.019 mol of Al is present 
therefore CuCl₂ is the limiting reactant and Al is in excess



6 0
3 years ago
Which would most likely be joined by an ionic bond?
KATRIN_1 [288]
An ionic bond is composed of a cation and anion, which are charged ions. You cannot have atoms with ionic bonds, because there is no opposite attraction between charges due to atoms having a net nuclear charge of zero. Therefore, a cation and anion would most likely be joined by an ionic bond.
3 0
3 years ago
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