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ElenaW [278]
3 years ago
9

The heater in your bedroom most likely uses ________________ to transfer heat and heat your room.

Chemistry
2 answers:
yulyashka [42]3 years ago
6 0
Thermal energy is the answer.
lord [1]3 years ago
4 0
It will use electrical energy
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A company produces a colorless vinegar that is 5.0% HC2H3O2 in water. Using thymol blue as an indicator, a student titrates a 15
Nataly_w [17]

The negative ion in aqueous sodium hydroxide, NaOH(aq) is hydroxide ion, OH-.

<h3>What is a neutralization reaction?</h3>

A neutralization reaction is a reaction between an acid and a base to form salt and water only.

The reaction between vinegar and NaOH is a neutralization reaction which produces a salt and water only.

NaOH is composed of a positive sodium ion, Na+ and a negative hydroxide ion, OH-

Therefore, the negative ion in the NaOH(aq) used in this titration is hydroxide ion, OH-.

Learn more about hydroxide ion at: brainly.com/question/3078877

6 0
2 years ago
What is the concentration of a solution prepared by placing 20. mL of 0.12 M K2S in a graduated cylinder and pouring water until
MAVERICK [17]

Answer: 0.024 M

Explanation:

According to the neutralization law,

M_1V_1=M_2V_2

where,

M_1 = molarity of stock solution = 0.12 M

V_1 = volume of stock solution = 20.0 ml

M_2 = molarity of diluted solution = ? M

V_2 = volume of diluted solution = 100.0 ml

Putting in the values we get:

0.12M\times 20.0=M_2\times 100.0

M_2=0.024

Therefore, the concentration of the resulting solution is 0.024 M.

3 0
3 years ago
A 5-gal, cylindrical open container with a bottom area of 120 square inches is filled with glycerin and rests on the floor of an
aleksandrvk [35]

Answer:

a)  68.9 b/ ft²

b)  57.416

Explanation:

Volume of the cylindrical open container V = 5 gal

= (5)(231)

= 11155 in³

different diagrammatic expression has been shown in the attached file below for clear understanding.

Area A = 120 in²

V = hA

    = \frac{1155}{120}

    =  9.625 in

Upward acceleration , a_z= 3ft/s^2

\frac{dp}{dz} = \rho (g + a_z)

dp= -\rho (g + a_z)dz

\int\limits^P}_0 \,dp= -\rho (g + a_z)  \int\limits^0_h \,   dz

P_b = -\rho (g + a_z) h

= (2.4)*(32.2+3) (\frac{9.625}{12})

= 68.9 b/ ft²

b) The flowchart for the resultant force is shown in the  diagram below:

with that:

F_f = P_bA

F_f =\frac{(68.9)(120)}{(144)}

F_f =57.416

Thus,  the resultant force that the container exert on the floor of the elevator during this acceleration = 57.416

5 0
3 years ago
What is the ph for hcl and ch3cooh?
Maurinko [17]
HCL - 3.01
CH3COOH -2.4
5 0
4 years ago
The OAC simulation showed that warm air over a cold current:
tia_tia [17]

Answer:

received energy from water

4 0
3 years ago
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