Question

Нужно решение:При подготовке к урокам в течении 2 часов Вы тратите около 800кДж энергии. Восстановите ли Вы запас энергии, если съедите пачку чипсов(28г), пачку "Кириешек"(33г) и выпьете бутылку "Кока Колы"(1.25л)

Answer 1

Нет, не восстановите, слишком мало еды для поддержки энергии 

Answer 2

Calculation of Energy Intake

To determine whether consuming a packet of chips (28g), a packet of "Kirieshki" (33g), and a bottle of "Coca-Cola" (1.25L) would replenish your energy reserves after spending 2 hours preparing for lessons, we need to calculate the energy intake from these food items.

The energy content of food is typically measured in kilocalories (kcal) or kilojoules (kJ). For this calculation, we will use kilojoules.

First, let's find the energy content of each food item:

- Chips: 28g - "Kirieshki": 33g - "Coca-Cola": 1.25L

Unfortunately, the search results did not provide the energy content of these specific food items. However, we can make an estimation based on similar products.

According to the USDA National Nutrient Database, the average energy content of potato chips is approximately 536 kcal per 100g Assuming a similar energy content for the chips you mentioned, we can calculate the energy content of the 28g packet.

Similarly, the energy content of "Kirieshki" and "Coca-Cola" can vary depending on the brand and specific product. Without specific information, we can estimate the energy content based on similar products.

Estimating Energy Content

- Chips (28g): Assuming an energy content of 536 kcal per 100g, the energy content of the 28g packet would be approximately 150 kcal.

- "Kirieshki" (33g): Without specific information, it is challenging to estimate the energy content accurately. However, based on similar products, we can assume an energy content of approximately 140 kcal.

- "Coca-Cola" (1.25L): The energy content of a 1.25L bottle of "Coca-Cola" can vary depending on the specific product. However, a regular 1.25L bottle of "Coca-Cola" typically contains around 525 kcal Therefore, we can estimate the energy content of the bottle to be approximately 525 kcal.

Total Energy Intake

Now, let's calculate the total energy intake from consuming these food items:

- Chips (28g): 150 kcal - "Kirieshki" (33g): 140 kcal - "Coca-Cola" (1.25L): 525 kcal

The total energy intake would be:

150 kcal + 140 kcal + 525 kcal = 815 kcal

Since 1 kilocalorie (kcal) is equal to 4.184 kilojoules (kJ), we can convert the total energy intake to kilojoules:

815 kcal * 4.184 kJ/kcal = 3,408 kJ

Therefore, consuming a packet of chips (28g), a packet of "Kirieshki" (33g), and a bottle of "Coca-Cola" (1.25L) would provide approximately 3,408 kJ of energy.

Please note that these calculations are estimations based on similar products, and the actual energy content may vary. It is always best to refer to the specific nutritional information provided on the packaging of the food items for accurate energy content.

I hope this helps! Let me know if you have any further questions.