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nikitadnepr [17]
2 years ago
5

In acid solution, water can add to the double bond of 2-butenedioic acid to form 2-hydroxysuccinic acid.

Chemistry
1 answer:
satela [25.4K]2 years ago
6 0
So, what is the question?
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Gasoline use contributes to air pollution
Gasoline is a toxic and highly flammable liquid. The vapors given off when gasoline evaporates and the substances produced when gasoline is burned (carbon monoxide, nitrogen oxides, particulate matter, and unburned hydrocarbons) contribute to air pollution. Burning gasoline also produces carbon dioxide, a greenhouse gas.
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3 years ago
Predict which one of the following compounds would be insoluble in water.
quester [9]
CH4 is insoluble in water 
4 0
3 years ago
Read 2 more answers
A .115 L sample of dry air has a pressure of 1.0895633 atm at 377 K. What is the volume of the sample if the temperature is incr
matrenka [14]

Answer:

V= 0.147 L

Explanation:

This is simply the application of combined gas law twice, to find the unknowns.

Combined gas law states that: PV = nRT

P= pressure of air

V= volume of air

n= moles of air

R= Universal gas constant ( 0.08205 L atm mol⁻¹ K⁻¹)

T= Absolute temperature in kelvin.

n=\frac{P * 0.115}{R * 377}

Now, applying the same gas law at 483K and substituting for n

V = \frac{P * 0.115}{R * 377} * \frac{R* 483}{P}

V= \frac{0.115 * 483}{377}

V= 0.147 L

4 0
3 years ago
Calculate the payback time if she insulates the loft with 300 mm insulation when: area of loft space = 100m^2 cost of roll of 10
ycow [4]

Answer: Payback time = 0.0075

Explanation: Since payback time is calculated as:

payback time = \frac{installation cost}{annual savings}

First determine the installation cost:

100 mm thick insulation covers 8.3 m². Then 300 mm covers 24.9 m².

To cover 8.3m² costs £20. Then, the cost to cover 24.9 m² is:

cost = \frac{20*24.9}{8.3}

cost = £60

The cost of putting the insulation is £120, so the total cost is:

total cost = £60 + £120

total cost = £180

Savings per year per 100 mm thick is £80. For 300 mm, the value of annual savings is:

savings = \frac{300*80}{100}

savings = 240

payback time = \frac{installation cost}{annual savings}

payback time = \frac{180}{240}

payback time = 0.75

8 0
3 years ago
The rate at which a certain drug is eliminated by the body follows first-order kinetics, with a half life of 81 minutes. Suppose
Degger [83]

Answer: 0.11 g/ml

Explanation:

Half-life = 81 minutes

First we have to calculate the rate constant, we use the formula :

k=\frac{0.693}{81\text{minutes}}

k=0.008\text{minutes}^{-1}

Now we have to calculate the age of the sample:

Expression for rate law for first order kinetics is given by:

t=\frac{2.303}{k}\log\frac{a}{a-x}

where,

k = rate constant  = 0.008\text{minutes}^{-1}[/tex]

t = time of decomposition = 324 minutes

a = let initial concentration of the reactant  = 1.8 g/ml

a - x = concentration after decay process  = ?

Now put all the given values in above equation, we get

324=\frac{2.303}{0.008}\log\frac{1.8}{a-x}

(a-x)=0.11g/ml

Thus concentration after 324 minutes will be 0.11 g/ml.

8 0
3 years ago
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