Answer: See explanation
Explanation:
The negative effects of video games include:
1. Social disconnection- One negative effect of video games is that it brings about social disconnection. Video games are typically addictive and this leads to the individual playing the game gradually disconnecting from the social life. Such people tends to play games rather than having conversations with their friends or family members.
2. Addiction - Video games are addictive which can lead to depression or bring about mental health disorder.
3. Wrong values - Some video games instill wrong values in children. Such values include violence, aggression and vengeance.
4. Negative academic achievement - Students who play video games a lot tend to have a negative academic achievement as the time they could have used in reading or studying is used for playing games and thus tends to have an effect on the performance in school.
5. Health hazards- Video games may lead to health hazards- such as nerve compression, obesity, and video-induced seizures.
The positive effect of video games are:
1. Problem solving - Video games train ones brain to be creative and also come up with solution to challenges.
2. Quick thinking - Video games help one to think quickly in order to solve challenges and overcome obstacles.
3. Create positive emotions - Easy games can bring about positive emotions and uplift ones mood, and help in promoting relaxation.
4. Stimulate learning - Playing video games can help an individual to learn new skills.
Answer:
If we assume the molar volumes of water and ethanol 17.0 and 57.0 cm³/mol, respectively, Vmix = 20.5 cm³.
Explanation:
The molar volume of a substance is the ratio between the volume and the number of moles of the substance. It represents the volume that 1 mol of it occupies. Because we don't have access to page 24, let's assume the molar volumes of water and ethanol 17.0 and 57.0 cm³/mol, respectively.
The volume of mixture (Vmix) is the sum of the volume of each substance, which is the number of moles multiplied by molar volume, so:
Vmix = 0.300*57 + 0.200*17
Vmix = 17.1 + 3.4
Vmix = 20.5 cm³
Answer:
electrophile(H⁺) is needed to react with alkene in the first step and nucleophile (OH⁻) is not available in the first step
Explanation:
Answer:
36.92 mg of oxygen required for bio-degradation.
Explanation:
Mass of benzene = 30 mg = 0.03 g (1000 mg = 1 g )
Moles benzene =
According to reaction 5 moles of benzene reacts with 15 moles of oxygen gas.
Then 0.0003846 mol of benzene will react with:
of oxygen gas
Mass of 0.0011538 moles of oxygen gas:
0.0011538 mol × 32 g/mol = 0.03692 g = 36.92 mg
36.92 mg of oxygen required for bio-degradation.
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