In the first box, you should draw a chicken. In the second box, you should draw a cow <u>or</u> <u>a</u> horse.
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A simple solution is basically two substances<span> that are evenly mixed together. One of them is called the solute and the other is the solvent. A solute is the substance to be dissolved (sugar). The solvent is the one doing the dissolving (water).</span>
Answer:
33.79°C
Explanation:
HCl and NaOH completely neutralize because they are strong acid and base.
In 100 mL of HCl we have 0.102 moles and in 50mL of NaOH we have 0.102 moles
As everything reacts, we have 0.102 moles of H2O.
The enthalpy of neutralization of 1 mole is -57kJ, to 0,102 moles is -5.814 kJ. The reaction is exothermic.
Now, we have a 150 mL sample, as the density is 1.00 g/ml, we have 150 g of solution, with the specific heat of 4.184 J/g°C.
With the equation Q = mcΔT, as Q is the heat (5,817 J), m is the mass (150 g) c is the specific heat (4.184 J/g°C) and ΔT is the temperature variation.
5,814 = 150 x 4.184 x ΔT
ΔT= 9.26 °C
T = Ti + ΔT = 24.53 + 9.26 = 33.79 °C
Answer:
atoms have a positive nucleus and negative electrons,an atoms electron configuration the outermost electrons determines how the atom can interact with the other atoms and atom forms another atom for sharing electrons.
Answer:
C
Explanation:
they can be put in other languages
they are literally the name of the chemical
they don't show quantity