By water lettuce, I assume you mean iceburg lettuce. I figure it would take about 4 heads of lettuce to make one pound (a medium sized head is about 250g). There are 90 calories in each head, so:
90x4 = 360 calories
That's without any dressings, oils, spices, etc. - just the lettuce.
Lettuce has been called a negative calorie food. It takes more energy to chew and digest the lettuce than it provides in calories.
69
In order to lose 1 pound, you need to burn 3,500 calories.
There are 3500 Calories in a pound of body fat.
yup
That is approximately 680.389 ml
HOW MANY CARBOHYDRATES IN ROMAINE LETTUCEThere are:21 grams of carbohydrate in 1 head of romaine lettuce1 carbohydrate in 1 oz, or 28g, of romaine lettuce3 grams carbohydrate in 3.5, or 100g, of romaine lettuce2 carbohydrates in 1 cup of shredded romaine lettuce.For free low carbohydrate charts and food lists showing how many carbohydrates you should have in total per day, and what foods to eat, and for the Carbohydrate in Vegetables Chart, and the Carbohydrate in Fruits Chart, see the page links given below. Use the charts as daily guides for weight loss, or weight maintenance once you have reached your target weight. THE CARBOHYDRATE IN VEGETABLES CHARTTHE CARBOHYDRATE IN FRUIT CHARTLOW CARB FOODS AND HOW MANY CARBS PER DAY (for weight loss or weight maintenance)*Video: Low carb romaine lettuce and chicken wraps
160 btu's. It takes 1 btu (British Thermal Unit) to change the temperature of 1lb of water 1°. This is referred to as sensible heat. This 1 to 1 ratio does not hold true when changing the state of that water to ice or to steam. Changing the state 1lb of water at 212° to 1lb of steam at 212° you must add 970 btu's and to change 1lb of water at 32° into 1lb of ice at 32° you must add 144 btu's. This is referred to as latent heat.
0.454 kilos is equal to 1lb.
the same as 1lb of anything into grams, 1lb is about 454 g
One should eliminate about 500 calories per day to lose 1 pound each week.
there are zero 1lb in 90 grams.
1oz = 28.4g so 4oz = 113.6g 1lb = 454g so 113.6/454 = 0.25 so that's a quarter of a pound.